Your grandmother's uncle is your child's great great uncle.
Your grandmother's brother is your parent's uncle. The uncle's child would be your parents first cousin. You would be second cousins.
Your uncle-in-law's daughter would be your cousin by marriage. In family terms, she is the child of your uncle's spouse (your aunt by marriage). Depending on the closeness of your family, you might refer to her simply as your cousin, even if there is no direct blood relation.
Uncle Charlie and Yakkerareslang termsmeaning curveball. The origins of both are unknown.
If you have no siblings but your daughter has an uncle, he is the brother of your spouse, your brother-in-law.
no he is my uncle I think I would know he was my grandmothers brother Judy M.Osbourne
Your uncle is your child's great uncle. Your child is his great niece (if a girl) or great nephew (if a boy).
Your mom's brother to your child is a great uncle. That is because your mom's brother is YOUR uncle, so he to your child will be a great uncle!
Your cousin! =) (Or by his/her first name =P)Your uncle's child is your cousin
Any man whose brother or sister has a child is uncle to that child.
Your uncle's granddaughter and your child are second cousins.
You are the great uncle of your niece's child if you are male. If you are female, you are the child's great aunt.
Your uncle becomes your child's great uncle and your cousins are your child's First Cousins Once Removed. Did you know that President Barack Obama is a very distant cousin of President George W. Bush?