Genesis 24:2-3

Great(i) 2 And Abraham sayde vnto his eldest seruaunte of his house whych had the rule ouer all that he had: Put thy hande vnder my thygh, 3 & I wyll make the swere by the Lorde God of heauen and God of the erth, that thou shalt not take a wyfe vnto my sonne, of the daughters of Chanaan, amonge whych I dwell.