Your brother's son's daughter is your great-niece. In simpler terms, she is the daughter of your nephew. Thus, you are her great-uncle or great-aunt.
Great Niece.
It's called the daughter-in-law.
natini
Dina Bonnevie has two sons and one daughter. Her sons are with her former husband, actor and director, and her daughter is from a later relationship. She has often spoken about her close relationship with her children.
4 daughters, 3 sons.
"Sons of Jonas", but Kevin came up with "Jonas Brothers".
The relationship to you would be your cousin !
your 5th cousin
Cousine
She would be your great grandmother
The Clark Brothers are now Sons of Sylvia.
They are actually the sons of sylvia... they were originally the clark brothers, which is their last name. ~Soccerrae