Genesis 6:4

4The Nephilim
Or giants
were on the earth in those days, and also afterward, when the sons of God came in to the daughters of man and they bore children to them. These were the mighty men who were of old, the men of renown.

Genesis 16:2

2And Sarai said to Abram, “Behold now, the Lord has prevented me from bearing children. Go in to my servant; it may be that I shall obtain children
Hebrew be built up, which sounds like the Hebrew for  children
by her.” And Abram listened to the voice of Sarai.

Genesis 16:4

4And he went in to Hagar, and she conceived. And when she saw that she had conceived, cshe looked with contempt on her mistress.
Hebrew her mistress was dishonorable in her eyes; similarly in verse 5

Deuteronomy 25:5

Laws Concerning Levirate Marriage

5 eIf brothers dwell together, and one of them dies and has no son, the wife of the dead man shall not be married outside the family to a stranger. Her fhusband’s brother shall go in to her and take her as his wife and perform the duty of a husband’s brother to her.
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