Bible Verses About Oaths: Often accompanied by placing the hand under the thigh of the person sworn to

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

And the servant put his hand under the thigh of Abraham his master, and sware to him concerning that matter.

And the time drew nigh that Israel must die: and he called his son Joseph, and said unto him, If now I have found grace in thy sight, put, I pray thee, thy hand under my thigh, and deal kindly and truly with me; bury me not, I pray thee, in Egypt: