"Keturah, Abraham's concubine" 1:23
"And Tamar his daughter in law bore him Pharez...." See Genesis 38 for all the sordid details. 2:4
Since Sheshan had no sons (and was getting impatient about it), he gave one of his daughters to a slave so they could produce a son for him. 2:34-35
Ashur had two wives, continuing the long line of biblical polygamists. 4:5
"And David took more wives" with the apparent approval of God. 14:3
