Genesis 24:2-5 And Abraham said unto his eldest servant of his house, that ruled over all that he had, Put, I pray you, your hand under my thigh:

KJ2000⁽ⁱ⁾ ² And Abraham said unto his eldest servant of his house, that ruled over all that he had, Put, I pray you, your hand under my thigh: ³ And I will make you swear by the LORD, the God of heaven, and the God of the earth, that you shall not take a wife unto my son of the daughters of the Canaanites, among whom I dwell: ⁴ But you shall go unto my country, and to my kindred, and take a wife unto my son Isaac. ⁵ And the servant said unto him, Perhaps the woman will not be willing to follow me unto this land: must I needs bring your son again unto the land from where you came?