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

And he said to the elder servant of his house, who was ruler over all he had: Put thy hand under my thigh,

The servant, therefore, put his hand under the thigh of Abraham, his lord, and swore to him upon his word.

And when he saw that the day of his death drew nigh, he called his son Joseph, and said to him: If I have found favour in thy sight, put thy hand under my thigh; and thou shalt shew me this kindness and truth, not to bury me in Egypt.