Correct option is D
Given:
- A boy is performing on the stage.
- Pointing at him, a man in the audience seated next to the boy’s father said, “He is the son of the husband of a lady who is the daughter-in-law of the father-in law of my wife”.
According to the given information blood relation chart will be-


So, Uncle is the man related to the boy performing on the stage.
Thus, the correct answer is (d).