Genesis 42:8

42:8 Joseph recognized his brothers, but they did not recognize him.

Genesis 42:23

42:23 (Now they did not know that Joseph could understand them, for he was speaking through an interpreter.)

Genesis 14:13

14:13 A fugitive came and told Abram the Hebrew. Now Abram was living by the oaks of Mamre the Amorite, the brother of Eshcol and Aner. (All these were allied by treaty with Abram.)