Genesis 22:24

And Sarai Abram's wife took Hagar her maid the Egyptian, after Abram had dwelt ten years in the land of Canaan, and gave her to her husband Abram to be his wife.

But unto the sons of the concubines, which Abraham had, Abraham gave gifts, and sent them away from Isaac his son, while he yet lived, eastward, unto the east country.

The LORD will destroy the house of the proud: but he will establish the border of the widow.

Maachah, Caleb's concubine, bare Sheber, and Tirhanah.

And Rehoboam loved Maachah the daughter of Absalom above all his wives and his concubines: (for he took eighteen wives, and threescore concubines; and begat twenty and eight sons, and threescore daughters.)

And unto Eber were born two sons: the name of one was Peleg; for in his days was the earth divided; and his brother's name was Joktan. Peleg: that is Division

And Cain knew his wife; and she conceived, and bare Enoch: and he builded a city, and called the name of the city, after the name of his son, Enoch. Enoch: Heb. Chanoch

And Adam knew his wife again; and she bare a son, and called his name Seth: For God, said she, hath appointed me another seed instead of Abel, whom Cain slew. Seth: Heb. Sheth: that is Appointed, or, Put

And to Seth, to him also there was born a son; and he called his name Enos: then began men to call upon the name of the LORD. Enos: Heb. Enosh to call: or, to call themselves by the name of the Lord

And Adam lived an hundred and thirty years, and begat a son in his own likeness, after his image; and called his name Seth:

There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare children to them, the same became mighty men which were of old, men of renown.