The Midrash explains the Torah‘s reason for citing Betzalel’s grandfather, Chur, when enumerating his lineage. Chur was slain during the incident involving the Golden Calf as a result of his opposition the Calf. The construction of the Mishkan through Chur’s grandson atoned for the guilt of Chur’s death. Betzalel was the recipient of many wonderful family qualities. He was also the great-grandson of Moshe’s sister, Miriam. As a reward for her fear of Hashem which prompted her to disobey Pharoah’s order to murder the Jewish babies, she was blessed with a descendant who knew how and was worthy of building…
