Genesis 30:19

Jacob : the second so of a pair of twins born to Isaac and Rebeccaa; ancestor of the 12 tribes of Israel,the nation of Israel,a person, male,son of Isaac; Israel the man and nation

Leah : daughter of Laban; wife of Jacob; mother of Reuben, Simeon, Levi, Judah, Issachar, Zebulun and Dinah

Genesis 38:4

Onan : the second son of Judah and Bath-Shua