1 Chronicles 26:32

And his brethren were in men of activity, two thousand and seven hundred ancient heads, which king David made rulers over the Reubenites, Gadites and the half tribe of Manasseh in all matters pertaining to God and businesses of the king.

2 Chronicles 19:11

And see here, Amariah the priest which is head over you in all matters of the LORD; and Zebadiah the son of Ishmael, a ruler in the house of Judah, he is over all causes concerning the king, with officers of the Levites before you. Take courage to you and go upon it, and the LORD shall be with the good."

1 Chronicles 12:37

And of the other side Jordan, of the Reubenites, Gadites and of the half tribe of Manasseh with all manner of instruments of war, a hundred and twenty thousand.

1 Chronicles 15:12

and said unto them, "Ye are the principal heads of the Levites - sanctify therefore yourselves and your brethren and bring the Ark of the LORD God of Israel unto the place that I have prepared for it.

1 Chronicles 23:24

These are the children of Levi in the households of their fathers the ancient heads, viewed and numbered by name and poll by poll from twenty year and above, to work in the service of the house of the LORD.

1 Chronicles 24:31

And these cast lots next to their brethren the sons of Aaron, before David the king and Zadok and Ahimelech and the ancient heads and priests of the Levites: as well the youngest brother as an ancient head.

Treasury of Scripture Knowledge

Summary

And his brethren, men of valour, were two thousand and seven hundred chief fathers, whom king David made rulers over the Reubenites, the Gadites, and the half tribe of Manasseh, for every matter pertaining to God, and affairs of the king.

Men of valour

Reubenites

Bible References

Men of valour

1 Chronicles 26:6
And unto Shemaiah his son were sons born that ruled in the house of their father, for they were men of might.

Chief fathers

1 Chronicles 15:12
and said unto them, "Ye are the principal heads of the Levites - sanctify therefore yourselves and your brethren and bring the Ark of the LORD God of Israel unto the place that I have prepared for it.
1 Chronicles 23:24
These are the children of Levi in the households of their fathers the ancient heads, viewed and numbered by name and poll by poll from twenty year and above, to work in the service of the house of the LORD.
1 Chronicles 24:31
And these cast lots next to their brethren the sons of Aaron, before David the king and Zadok and Ahimelech and the ancient heads and priests of the Levites: as well the youngest brother as an ancient head.

Reubenites

1 Chronicles 12:37
And of the other side Jordan, of the Reubenites, Gadites and of the half tribe of Manasseh with all manner of instruments of war, a hundred and twenty thousand.