'Families' in the Bible

It happened, because the midwives feared God, that he gave them families.

These are the heads of their fathers' houses. The sons of Reuben the firstborn of Israel: Hanoch, and Pallu, Hezron, and Carmi; these are the families of Reuben.

The sons of Simeon: Jemuel, and Jamin, and Ohad, and Jachin, and Zohar, and Shaul the son of a Canaanite woman; these are the families of Simeon.

The sons of Gershon: Libni and Shimei, according to their families.

The sons of Merari: Mahli and Mushi. These are the families of the Levites according to their generations.

The sons of Korah: Assir, and Elkanah, and Abiasaph; these are the families of the Korahites.

Eleazar Aaron's son took one of the daughters of Putiel as his wife; and she bore him Phinehas. These are the heads of the fathers' houses of the Levites according to their families.

Then Moses called for all the elders of Israel, and said to them, "Draw out, and take lambs according to your families, and kill the Passover.