Genesis 19:34

Context
19:34 So in the morning the older daughter ¹  said to the younger, “Since I had sexual relations with my father last night, let’s make him drunk again tonight. ²  Then you go and have sexual relations with him so we can preserve our family line through our father.” ³ 

Genesis 48:19

Context

48:19 But his father refused and said, “I know, my son, I know. He too will become a nation and he too will become great. In spite of this, his younger brother will be even greater and his descendants will become a multitude ⁴  of nations.”