Genesis 24:39

36 then did Sarah wife of my lord, bear a son to my lord, after she had become old,—so he gave to him all that he had;

37 And my lord put me on oath saying,—Thou shalt not take a wife for my son, of the daughters of the Canaanites in whose land, I, am dwelling;

38 but, unto the house of my father, shalt thou go, and unto my family,—and take a wife for my son.

39 So I said unto my lord,—Peradventure the woman will not follow me.

40 And he said unto me,—Yahweh, before whom I have walked to and fro, will send his messenger with thee, so shall he prosper thy way, and thou shalt take a wife for my son out of my kindred and out of the house of my father.

41 Then, shalt thou clear thyself from mine oath, for thou shalt go in unto my kindred,—and, if they will not grant her unto thee, then shalt thou be clear from mine oath.

42 So I came in to-day, unto the fountain,—and I said O Yahweh God of my lord Abraham! if, I pray thee thou art prospering my way whereon I am going,