The answer is: Aaron

Num 26:59 - Miriam was their sister. Aaron was 3 years older than Moses (Exo 7:7).

Moses had quite the support crew in his siblings! His older brother Aaron and sister Miriam played key roles alongside him during the monumental Exodus from Egypt. Picture this: Moses, a reluctant leader, probably feeling a bit overwhelmed, looks to Aaron for reassurance and strength. It’s fascinating to see how these sibling dynamics played out, especially when Aaron took on the role of his spokesperson—practically a second-in-command!

Aaron, while often known for his impressive speeches, also made a series of intriguing choices as the first High Priest of Israel. Fun fact: He wore a special breastplate adorned with twelve stones representing the twelve tribes—each gem symbolizing unique qualities of the tribes. Isn’t it fascinating how he carried that entire responsibility on his chest?

Miriam, often left in the shadow of her brothers, played a critical part too. She led the Israelite women in worship after crossing the Red Sea, which shows that women were pivotal to the journey, even when the narrative tends to focus on male figures like Moses and Aaron.

Their story reminds us that teamwork isn't just a modern concept; it's been vital since biblical times. These three siblings guided their people through a tough time, forging their identity and relationship with the divine as a team, which speaks volumes about unity and collaboration in our own lives today.