Blood Relations Questions

Introducing a woman, a boy says, "She is the wife of my grandfather's son". How is the woman related to the boy?

While posing for a family photo, the father is standing to the right of the son and left of the grandmother. The mother is sitting to the left of her daughter and right of the grandmother. Who is seated in the middle?

Pointing at X, Y says, "X is the son of the only son of my mother". Then Y is X's ___.

Ryaan is Vehaan's mother's sister's father's only son's son. How is Ryaan related to Vehaan?

Introducing a girl, Pooja says, "Her mother's son is the nephew of my father". How is the girl related to Pooja?

P and Q are brothers. P is the father of S. R is the only son of Q and is married to U. How is U related to S?

Looking at a lady, Joey said, "She is the mother of my mother's mother-in-law's husband". How is the lady related to Joey's father?

P is S's mother's only son's wife. How is P related to S?