Judges 8:31

And, his concubine who was in Shechem, she also, bare him a son, - and he gave him the name of Abimelech.

Genesis 16:15

So Hagar bare to Abram a son, - and Abram called the name of his son, whom Hagar bare, Ishmael.

Genesis 20:2

And Abraham said of Sarah his wife: My, sister, is she, - So Abimelech king of Gerar sent, and took Sarah.

Genesis 22:24

And his concubine, whose name was Reumah, she also, hath borne Tebah and Gaham, and Tahash, and Maacah.

Judges 9:1-5

Then went Abimelech son of Jerubbaal, to Shechem, unto the brethren of his mother, - and spake unto them, and unto all the family of the house of his mother's father, saying;

Judges 9:18

yet have, ye, risen up against the house of my father, to-day, and slain his sons - seventy men, upon one stone, - and made Abimelech, son of his maidservant, king over the owners of Shechem, because he is, your brother;

Treasury of Scripture Knowledge

Summary

And his concubine that was in Shechem, she also bare him a son, whose name he called Abimelech.

Bible References

Concubine

Judges 9:1
Then went Abimelech son of Jerubbaal, to Shechem, unto the brethren of his mother, - and spake unto them, and unto all the family of the house of his mother's father, saying;
Genesis 16:15
So Hagar bare to Abram a son, - and Abram called the name of his son, whom Hagar bare, Ishmael.
Genesis 22:24
And his concubine, whose name was Reumah, she also, hath borne Tebah and Gaham, and Tahash, and Maacah.