What was the relation between Prophet Moosa (A.S) and Prophet Haroon (A.S)?

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What was the relation between Prophet Moosa (A.S) and Prophet Haroon (A.S)?

A. Prophet Moosa (A.S) was father of Prophet Haroon (A.S)
B. Prophet Haroon (A.S) was father of Prophet Moosa (A.S)
C. Brothers
D. Cousins