Why were genealogies so important to Israel?

These were the records of generations: 'the genealogy of their generations ' was reckoned. 1 Chr. 5:7; 1 Chr. 7:9. Though 'generations' are given from the beginning, we do not read of 'genealogies' until Israel was in the land. It was important then that the genealogies should be preserved, because it was a part of the law that the children of Israel should enjoy every man the inheritance of his fathers. The inheritance must not remove from tribe to tribe. Num. 36:8-9. As the priesthood was restricted to the sons of Aaron, it was essential that they should preserve their genealogy. On the return from the exile some were unable to show their descent from Aaron, and they were put out of the priesthood. Ezra 2:62.

A knowledge of the priestly genealogies extended to the N.T. Zacharias was of the 'course of Abia,' and Elizabeth was 'of the daughters of Aaron.' So also of the tribes and families generally. At the census Joseph and Mary went to Bethlehem, for they were of the lineage of David; Anna was of the tribe of Asher, and Paul of the tribe of Benjamin.

Well, when they returned, these genealogies would be of capital importance, and of capital importance for the Israelites in order that they should not usurp — in order that they should not be unjust — in order that they should be content with what God had given to them — in order that they should link themselves with all that was great and glorious in God's sight in the past. These genealogies were of the greatest moment for this. In their weakness they would require every cheer and encouragement.

But, further, they were under responsibility, according to their substance, to give to the temple of God — to remember the priests and Levites who had none inheritance among their brethren, and, more particularly, as the order set up by the king would be restored again, the courses of priests. We find it in the New Testament. We see the birth of John the Baptist under these very circumstances. His father, according to his course — the course of Abia — was at that time doing service at the temple. He had left his house in the country. He was in Jerusalem. Thus the genealogies were of the greatest moment in order to settle justly, and according to the will of God, that which could not be haphazard and of the will of man; but there should be faith in it, piety in it, an owning of God in it.

These, therefore, seem to be among the grounds — I do not say all the grounds, but among the grounds — why God led some of the Jews to pay such attention to their genealogies. And it is remarkable that at least one tribe, if not two, is left out here. I presume they did not think of it; many individuals in all the tribes may have been careless, but it is a solemn thing to find that, from one cause or another, almost in every case in the Bible where tribes are mentioned, one or two are left out. It is the failure of man. No matter what it is, it is the failure of man. If Moses speaks prophetically, Moses also leaves out. This was a sad and solemn sign — the omission of a tribe. The fact is, there will always be these irregularities till Jesus comes. There never will be order maintained in this world according to God until the Lord Jesus reigns. But at this time there was a peculiar disorder — the utter breakup of the people, of the kingdom, the carrying away into captivity, could well account for this. The genealogies, therefore, are very partial; but they were all reckoned by genealogies. And if a priest could not prove his genealogy, he was not allowed, as we know from the book of Ezra, which is the successor of the Chronicles — the natural sequel of these books. The priests were not allowed to minister at all unless they could prove their genealogy, though they might be ever so truly sons of Aaron.

Finally, and above all, they were indispensable in view of Messiah's kingship, for His lineage must go back through the series of kings, to Judah "the lawgiver," and then from Judah to Jacob, Isaac, Abraham, Noah, Adam and God!

The genealogies were also important in order to establish the succession of the Aaronic priesthood, destined to walk continually before the true King, Jehovah's Anointed.

This, in brief, is the value of the genealogies. Their usefulness was all the greater ever since the people, after having fallen under God's judgment, passed through a period of disorder during which it was difficult, often even impossible, to prove their descent, as we see in the books of Ezra and Nehemiah.

Yet we should quickly note that if one wants to enter into the details of the subject before us, one must be very guarded in his conclusions, for Jewish genealogies present innumerable difficulties. First, very frequently those who are called the son of so-and-so are not necessarily his children at all, but his grandsons, or even his grandnephews. Then there are cases where the head of a clan is regarded as the father of a generation, all the generations between being omitted. There are cases where through the "right of redemption" a distant relative (see the Book of Ruth) becomes the head of an extinct family. There are those cases, very frequent during the captivity, where one family took a place in the inheritance of another family which had disappeared, without being related by direct descent to the head of that race. There are cases too where, the name of ancestors being missing, the name of the birthplace replaced, so to say, the name of the family head. There are cases, common among the Jews, where a person had more than one name (see, for example, these well-known names: Benjamin and Benoni, Reuel and Jethro, Solomon and Jedidiah, etc.). And lastly there are cases where an abridged genealogy was given, the names indicated being nothing more than a few pointers to establish the line of descent.

Having arrived in Canaan, the people needed their genealogies in order to divide the land among their tribes and fathers' houses.

The prophecies, which reveal that in the seed of Abraham should all the nations of the earth be blessed, and that the Messiah was to be of the royal line of David, made it needful that the genealogies of both these lines should be preserved, as we find them given in the N.T. In the future possession of the land there will be the twelve tribes, and some of each of the twelve will be sealed for blessing. Ezek. 48; Rev. 7:3-8. God, who is guarding them for future events, can also preserve their genealogies.

These genealogies were imperfect. The condition of Israel bore the impress of the ruin which had befallen them; but also that of the goodness of God who had brought back a remnant, and who had preserved all that was needful to place those who formed it in the record of His people. If the needful proof to give them a title to this were wanting, such as were of the people ceased to enjoy their proper privileges, and the priests their sacerdotal position, until a priest stood up with Urim and with Thummim. For these genealogies served as a means to recognise the people. Happy he who had preserved his own, and who had so appreciated the heritage of Jehovah as to attach value to it! It was a proof of faith; for, it might have been said, Of what use are these genealogies in Babylon?

The first thing to be observed is that, having felt what it was to have to do with the Gentiles, and having experienced the power and wickedness of those whose help they had formerly sought (the unclean spirit was, in this respect, gone out of them), the children of the captivity resolve that Israel shall be an unmingled Israel, and proved to be so. They are most careful in verifying the genealogies of the people, and of the priests, in order that none but Israel should be engaged in the work. Formerly one priest succeeded another without previous examination; genealogy was not verified, and children came into their father's place in the enjoyment of the privileges which God had granted them. But Israel now, through the great grace of God, had to recover their position. This was neither the beginning of their history, nor the power suited to the beginning; it was a return, and the disorder that sin had brought in was not henceforth to be endured. They were escaping from the fruits of it, at least in part. What had any but Israel to do there? To mark out the family of God was now the essential thing. Deliverance from Babylon was their deliverance. It was this family, or a small remnant of it, which God had brought, or was bringing, out from thence. Thus, even amongst those who had come back to Judea, whoever could not produce his genealogy was set aside; and every priest with whom this was the case was put away from the priesthood as polluted, whatever, as it appears, might be the reality of his qualification. Divine discernment might, perhaps, recognise them and their rights another day; but the people who had returned from captivity could not do so. They were a numbered and recognised people. They dwelt each in his own city. It was weakness, no priest with Urim and Thummim, but it was faithfulness.

And, then, as to what we are to learn from those genealogical records, we believe they teach us a most precious lesson as to Jehovah's faithful care of His people Israel, and His loving interest in them and in all that concerns them. He watches over them, from generation to generation, even though they are scattered and lost to human view. He knows all about "the twelve tribes," and He will manifest them in due time, and plant them in their destined inheritance, in the land of Canaan, according to His promise to Abraham, Isaac and Jacob.

Therefore, if an Israelite was bound up very particularly with his family, it was no mere matter of vanity or pride, as among us very often; but in Israel it was bound up with the purpose of God. It was no question of what some rogue had done, so, perhaps, getting his family into favour, as is very often among the Gentiles; but in Israel, all was ordered of God. It was God's appointment, and the worthies there were men who were worthy according to God — men who had, by their achievements in faith, won, according to the will of God, a place for Israel; for all their blessings were more or less connected, although all was poor and feeble compared with that which shall be, but still it was a type of what is to be. Hence, therefore, patriotism, a genealogical line, families that held on to the remotest antiquity — these had a divine character in Israel, which they have not in any other country under the sun. Elsewhere it often becomes offensive; indeed, if people only knew the truth, a thing rather to be ashamed of than to be proud of.

Finally, and above all, they were indispensable in view of Messiah's kingship, for His lineage must go back through the series of kings, to Judah “the lawgiver,” and then from Judah to Jacob, Isaac, Abraham, Noah, Adam and God!

The genealogies were also important in order to establish the succession of the Aaronic priesthood, destined to walk continually before the true King, Jehovah's Anointed.

This, in brief, is the value of the genealogies. Their usefulness was all the greater ever since the people, after having fallen under God's judgment, passed through a period of disorder during which it was difficult, often even impossible, to prove their descent, as we see in the books of Ezra and Nehemiah.

Yet we should quickly note that if one wants to enter into the details of the subject before us, one must be very guarded in his conclusions, for Jewish genealogies present innumerable difficulties. First, very frequently those who are called the son of so-and-so are not necessarily his children at all, but his grandsons, or even his grandnephews. Then there are cases where the head of a clan is regarded as the father of a generation, all the generations between being omitted. There are cases where through the “right of redemption” a distant relative (see the Book of Ruth) becomes the head of an extinct family. There are those cases, very frequent during the captivity, where one family took a place in the inheritance of another family which had disappeared, without being related by direct descent to the head of that race. There are cases too where, the name of ancestors being missing, the name of the birthplace replaced, so to say, the name of the family head. There are cases, common among the Jews, where a person had more than one name (see, for example, these well-known names: Benjamin and Benoni, Reuel and Jethro, Solomon and Jedidiah, etc.). And lastly there are cases where an abridged genealogy was given, the names indicated being nothing more than a few pointers to establish the line of descent.