The Hands: Placed Under the Thigh of a Person to Whom an Oath Was Made

So Abraham instructed the chief servant of his household, who managed all he owned, “Place your hand under my thigh,

…and I will have you swear by the LORD, the God of heaven and the God of earth, that you will not take a wife for my son from the daughters of the Canaanites among whom I am dwelling,

When the time drew near for Israel to die, he called his son Joseph and said to him, “If I have found favor in your eyes, put your hand under my thigh and promise to show me kindness and faithfulness. Do not bury me in Egypt,

“Swear to me,” Jacob said. So Joseph swore to him, and Israel bowed in worship at the head of his bed.