First cousin once removed.
Cousins.
Not quite enough information. Does the child have the same father as you? The sister of your mother or the sister of the child?
Your child would call your sister her aunt.Your sister would call your child her niece or nephew depending on gender.Your sister's children would call your child their cousin.
The child of your mother's sister is your first cousin.
Your husband's sister's child is your niece, and you are her aunt.
Julia Child was 6'2" and her sister was 6'4"
Since you wife's sister is your sister-in-law, their child would be your neice or nephew.
Yes she has one little sister, and one child!
Your husband's sister's child is your niece if its a girl or Nnphew if its a boy.
No relation whatsoever. You will be an aunt or uncle to your sister's child and your brother-in-law's sister will be the child's aunt, but that's as close as it gets.
Your sister's child and your grandson are first cousins once removed.
He doesn't have a sister. Miura haruma is an only child. He doesn't have a sister. Miura haruma is an only child.
Julia Child's sister was named Dorothy Dean Cousins.