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Avraham is married to Sarah. They have a son names Yitzchak is married Rivkah. They have Yaakov and Esav. Yaakov gets married to Rivkah.
Leah- Reuven, Shimon, Levi, Yehuda, Yissachar, Zebulon, Dina.
Rachel- Yosef, Benjamin
Bilah- Gad, Asher
Zilpah- Dan, Naftali
What is Avraham's family tree