Genesis 24:2,3
And Abraham said to his oldest servant of his house, that ruled over all that he had, Put, I pray you, your hand under my thigh:
Torrey's Topical Textbook—AKJV

Genesis 28:1,2
And Isaac called Jacob, and blessed him, and charged him, and said to him, You shall not take a wife of the daughters of Canaan.
Torrey's Topical Textbook—AKJV