Genesis 26:7

26:7 When the men of that place asked him about his wife, he replied, “She is my sister.” He was afraid to say, “She is my wife,” for he thought to himself, “The men of this place will kill me to get Rebekah because she is very beautiful.”

Genesis 43:32

43:32 They set a place for him, a separate place for his brothers, and another for the Egyptians who were eating with him. (The Egyptians are not able to eat with Hebrews, for the Egyptians think it is disgusting to do so.)