C is the daughter of D as C is the sister of A and A is the brother of B, making them all siblings.

D is the brother-in-law of A as C (D's sister) is married to A.

A is the father of C as A is the grandfather of B.

B is married to A and they have a child C, making B the mother of C.

A is the brother of B, and C is the sister of B, so A is also the brother of C.

A is the husband of C as they are the parents of B.

A is the sister of B, and since B is the father of C, A is C's aunt.

C is the sister of A as both are children of B.

B is the brother of D as they share the same parent, C.

F is the son of G, making G the grandfather of D.

D is the mother of E, and since E is the mother of F, D is F's grandmother.

D is the sister of E, and since E is the brother of F, D is also the sister of F.

G is the brother of H, and I is the sister of H, so G is also the brother of I.

G and I are siblings as they share the same parents, H.

H is the sister of I, and since I is the mother of J, H is the aunt of J.

J and L are both children of K, making them siblings.

J is the wife of L as they are the parents of K.

M is the father of O, making M the father of N's father.

M is the aunt of O because she is the sister of O's father, N.

M is the uncle of N, which means M is the brother of N's parent O, making M the brother-in-law of O.

O is the father of Q, and since Q is the sister of R, O is also the father of R.

P is the aunt of R as well, since R and Q are siblings.

R is the daughter of P as she is the sister of Q, who is the child of P.

P is the grandfather of Q, and since R is the father of Q, P is R's father.

P and R are both children of Q, making R the sister of P.

S is the sister of U as they share the same parents, T.

T is the son of V, making V the grandfather of S.

S is the sister of T, and U is the brother of T, so S is also the sister of U.

V is the brother of T as both are children of U.

V is the mother of X as she is the wife of X's father, W.