Judges 8:31
He also kept a concubine in Shechem. She bore him a son, and he named him Abimelech.
Genesis 16:15
Hagar bore Abram a son. Abram gave the name Ishmael to the son she had borne.
Genesis 20:2
he said that his wife Sarah was his sister. So King Abimelech of Gerar had Sarah brought to him.
Genesis 22:24
His concubine, Reumah, also bore Tebah and Gaham and Tahash and Maacah.
Judges 9:1-5
Gideon's son Abimelech went to the town of Shechem. All his mother's relatives lived there. He told them:
Judges 9:18
Today you turned against my father's family. You killed his sons, seventy men on a single stone. And this because Abimelech, his son by his servant woman, is your relative, you have made him king of Shechem.