Source 1: Targum Yerushalmi Bereishit 48:22 which says that Yosef coat was originally Adam's. Source 2: Bereishit 37:3 Says Yaakov made Joseph's coat How can this be resolved? Source 1: כב וַאֲנָא ...
In Yosef's second dream [Bereshit 37:9-10] the sun,moon and 11 stars bowed down to him. The sun refers to Yaakov, the moon - Bilhah (or Rachel - Gemara Berachot 55a/b) and 11 stars - his 11 brothers. ...