Numbers 12:1, 4, 9-10

Miriam and Aaron began to talk against Moses because of his Cushite wife, for he had married a Cushite.

At once the LORD said to Moses, Aaron and Miriam, “Come out to the tent of meeting, all three of you.” So the three of them went out.

The anger of the LORD burned against them, and he left them. When the cloud lifted from above the tent, Miriam’s skin was leprous—it became as white as snow. Aaron turned toward her and saw that she had a defiling skin disease