Pointing to a photograph of a boy. Tariq said, "he is the son of the only son of my mother" who is Tariq related to the boy?

Pointing to a photograph of a boy. Tariq said, "he is the son of the only son of my mother" who is Tariq related to the boy?

Explanation

He is the son of only son of my mother (only son Tariq he howa ) so jo bacha hai photograph may wo beta hai tariq ki maa ka k iklotay baitay say jo Tariq khud he hai.