'Families' in the Bible

Solomon addressed all Israel, including those who commanded units of a thousand and a hundred, the judges, and all the leaders of all Israel who were heads of families.

Then Solomon convened Israel's elders -- all the leaders of the Israelite tribes and families -- in Jerusalem, so they could witness the transferal of the ark of the covenant of the Lord from the City of David (that is, Zion).

These were their divisions by families: There were a thousand officers from Judah. Adnah the commander led 300,000 skilled warriors,

Amaziah assembled the people of Judah and assigned them by families to the commanders of units of a thousand and the commanders of units of a hundred for all Judah and Benjamin. He counted those twenty years old and up and discovered there were 300,000 young men of fighting age equipped with spears and shields.

They made disbursements to the priests listed in the genealogical records by their families, and to the Levites twenty years old and up, according to their duties as assigned to their divisions,

Prepare yourselves by your families according to your divisions, as instructed by King David of Israel and his son Solomon.