Question

pointing to the man in the photograph a man says, "He is the son of mother of my mothers only daughter in law", Hows is related to the man making the statement​

Answer 1

Answer: If Daughter's mother-in-law is man's wife, so that man's mother-in-law is his wife's Mother. So in relation Man is father-in-law of the girl.

Answer 2

Answer:

he is the brother-in-law of the man,who is pointing to the photograph.