Genesis 24:1-3

Darby Translation

24 And Abraham was old, [and] advanced in age; and Jehovah had blessed Abraham in all things.

² And Abraham said to his servant, the eldest of his house, who ruled over all that he had, Put thy hand, I pray thee, under my thigh,

³ and I will make thee swear by Jehovah, the God of the heavens and the God of the earth, that thou take not a wife for my son of the daughters of the Canaanites, among whom I am dwelling;