If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

Pointing to a man on the stage, Rashi said, He is the brother of the daughter of the wife of my husband. How is the man on the stage related to Rashi?

Introducing a man, a woman said, " His wife is the only daughter of my father." How is that man related to the woman?

A is the son of C;

C and Q are sisters;

Z is the mother of Q and P is the son of Z.

Which of the following statement is true?

Pointing to a gentleman, Deepak said, His only brother is the father of my daughters father. How is the gentleman related to Deepak?

A is is the father of two children B and  D, who are of different sexes.

C is B's spouse.

E is of the same sex as D.

B and C have two children: f, who is of the same sex as B, and G, who is of the same sex as C.

E's mother H, who is married to L, is the sister of D's mother, M.

E and E's spouse I, have two children J and K, who are the same sex as I.

No person has married more than once and no children have been born out of wedlock.

The only restrictions on marriage are that marriage to a sibling, to a direct descendant, or to more than one person at the same time are forbidden.

If the generation of F and K's parents and their siblings contains more females than males, then which of the following must be true?