Your aunts and uncles, and one of them is your father or mother.
She would not be. You uncle's children are your first cousins and his grandchildren are your first cousins, once removed. Your children and your uncle's granddaughter are second cousins to each other.
Only if the child or children are placed in custody of the uncle and/or aunt
You are your uncle's niece. You and your uncle's children are first cousins to each other.
Cousins are the children of of both your parent's siblings (your aunts or uncles.)
Your parent's cousins are aunts and uncles only if they have brothers or sisters who have children. Your parent's cousins are your cousins, once removed.
Your aunts' mother-in-law.
He's called your uncle becasue your mother's sisters are your aunts and the people married to them are your uncles (assuming that they're men).
Bachelor Father - 1957 Uncle Bentley and the Aunts 1-5 was released on: USA: 10 November 1957
Anyone descended from a brother or sister of one of your direct ancestors is your cousin. There are different names for different kinds of cousins. For example, your first cousins are the children of your aunts and uncles. Your second cousins are the grandchildren of your great aunts and great uncles. Your parents'first cousins are your first cousins, once removed. And the children of your first cousins are also your first cousins, once removed.
If he is your uncle by blood, his uncle is likely to be your great uncle. As to be an uncle it has to be a parents sibling. His parents would be your grandparents. So any of your grandparents siblings are typically called great uncles/aunts
It would be your second cousin because your mothers uncle would be your great uncle his brother would still be your great uncle because he is still your mum's brother so then his daughter would your mum's niece and your cousin.