Blood Relations Questions

Introducing a man, Amar says, "His wife is the only daughter of my maternal grandfather". How is the man related to Amar?

Looking at the portrait of a girl, Sheesha, a girl, said, "Her mother is my grandfather's only daughter who has only one daughter and no sons". How is Sheesha related to the girl in the portrait?

Akhil is the maternal uncle of Rashmi. Rashmi is the daughter of Ramesh. How is Ramesh related to Akhil?

Introducing a girl, a boy says, "She is the daughter of my father's only brother­in­law". How is the girl related to the boy?

A woman pointing to a man said, "He is the widower of my uncle's brother's daughter." How is the man related to the woman?

Introducing a woman, Anjali says, "She is the wife of my daughter's only brother". How is the girl related to Anjali?

Introducing a man, a woman said that, "He is the son of my mother's brother's father's son." Then how  is the woman related to the man?

Abhishek is Byomkesh's brother and Vimal is Jackie's father. Ella is Byomkesh's mother. Abhishek and Jackie are brothers. How is Ella related to Vimal?