Genesis 21:5

21:5 (Now Abraham was a hundred years old when his son Isaac was born to him.)

Genesis 28:13

28:13 and the Lord stood at its top. He said, “I am the Lord, the God of your grandfather Abraham and the God of your father Isaac. I will give you and your descendants the ground you are lying on.

Genesis 48:15

48:15 Then he blessed Joseph and said,

“May the God before whom my fathers

Abraham and Isaac walked –

the God who has been my shepherd

all my life long to this day,

Genesis 32:9

32:9 Then Jacob prayed, “O God of my father Abraham, God of my father Isaac, O Lord, you said to me, ‘Return to your land and to your relatives and I will make you prosper.’