Directions: Study the information below and answer the given questions.

A, B, C, D, E, F, G, H and I are nine members of a family consisting of three generations and there are three married couples in the family. H(female) is married to C(male), who is parent of F. I is uncle of H and G, and the only sibling of D. B is the maternal grandmother of F and mother-in-law of E. F is niece of G, who is father A.