Question

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

Answer 1

The man was the woman's husband.
She said that the wife of the man was the only daughter of her father that is she herself. So this implies that the man was her husband.

Answer 2

Hello here is your answer
The women is the man's wife as she said she was the only daughter of her father.

Hope it helps!