Pointing towards a girl, Abhishek says, "This girl is the daughter of only a…

Explanation

Interpret the phrase step by step to find the relation of Abhishek's wife to the girl.

• The phrase "only a child of my father" refers to Abhishek himself (he is the only child of his father).

• Therefore, "the daughter of only a child of my father" means the girl is the daughter of Abhishek.

• Hence, Abhishek's wife is the girl's mother.