Judges 8:31
His concubine, who lived in Shechem, also gave him a son, whom he named Abimelech.
Genesis 16:15
So Hagar gave birth to Abram's son, whom Abram named Ishmael.
Genesis 20:2
Abraham said about his wife Sarah, "She is my sister." So Abimelech, king of Gerar, sent for Sarah and took her.
Genesis 22:24
His concubine, whose name was Reumah, also bore him children -- Tebah, Gaham, Tahash, and Maacah.
Judges 9:1-5
Now Abimelech son of Jerub-Baal went to Shechem to see his mother's relatives. He said to them and to his mother's entire extended family,
Judges 9:18
But you have attacked my father's family today. You murdered his seventy legitimate sons on one stone and made Abimelech, the son of his female slave, king over the leaders of Shechem, just because he is your close relative.