Genesis 24:1-3

21st Century King James Version

24 And Abraham was old and well stricken in age; and the Lord had blessed Abraham in all things.

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

³ and I will make thee swear by the Lord, the God of heaven and the God of the earth, that thou shalt not take a wife for my son from the daughters of the Canaanites, among whom I dwell.