B'resheet (Gen) 48:15-16

Then he blessed Yosef: “The God in whose presence my fathers Avraham and Yitz’chak lived, the God who has been my own shepherd all my life long to this day, the angel who has rescued me from all harm, bless these boys. May they remember who I am and what I stand for, and likewise my fathers Avraham and Yitz’chak, who they were and what they stood for. And may they grow into teeming multitudes on the earth.” (iii)