In number is 11, the Israelites complain about the lack of variety in their diet, and Moses becomes overwhelmed with the burden of leading such a large group of people. And Numbers chapter 12 Moses, his sister, Myriam, and brother Aaron, speak out against him because of his marriage to a Cushite woman chapter 13. God instruct Moses to send 12 spies one from each tribe of visual to explore the land of Canaan.