Conversation so far:
What year was Zheng He born?
Zheng He was born Ma He to a Muslim family of Kunyang, Kunming, Yunnan, China.
How big was his family?
He had an older brother and four sisters.
What did his siblings do?
CANNOTANSWER.
Where were his parents?
CANNOTANSWER.

Question: What else can you tell me about his family?
Self-contained rewrite: What else can you tell me about Zheng He's family besides being born to a Muslim family?