Your aunt's sister is either your mother or another aunt. Therefore, her children are your cousins. If her sister is your mother, then those children are your siblings. If she is another aunt, then they remain your cousins.
Your great grandparents brothers and sisters are your great uncles and great aunts.
Your aunts and uncles are the sisters and brothers of your parents.
The relation of the mother;s sister to daughter is niece-aunts.
your niece
Your aunts' grandkids are your cousins. They are the children of your aunts' children, making them part of your extended family. Depending on the number of aunts and their children, you may have multiple cousins who are considered your aunts' grandkids.
Your grandmother's sisters are your Great Aunts.
Your first cousin.
Your great grandparents brothers and sisters are your great uncles and great aunts.
Cousin. Your parents brothers and sisters are aunts and uncles. and the aunt and uncles children are your cousins.
They would be great nieces or great nephews.
Yes, along with your grandfathers' sisters, if any.
Your parent's sisters are your aunts. You are their niece if you are a girl, or their nephew if you are a boy.