A girl introduced a boy as the son of the daughter of the father of her uncle. The boy is girl`s

Pointing to a girl in the photograph, Amar said, "Her mother`s brother is the only son of my mother's father." How is the girl`s mother related to Amar

Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Harsh looking

Pointing to a photograph, Vipul said, "She is the daughter of my grandfather's only son." How is Vipul related to the girl in the photograph

 Pointing towards Vaman, Madhav said “I am the only son of his father’s one of the sons.”  How Vaman is related to Madhav

GERM : MERG : : STAR : ……………