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Your great aunt's son is first cousin to one of your parents, and first cousin once removed to you.
What else can I help you with?
What would your niece's baby boy be in relation to the niece's aunt?
That's easy cousins.
What relation are you to your nieces sons son?
Your niece's son's son is her grandson. He is your great great nephew and you are his great great aunt or great great uncle, depending on your gender.
What relation is your great grandmother's sister to your son?
Your great grandmother's sister is your great great aunt and your son's great great great-aunt. He is her great great great nephew.
What relation is your son to your aunt?
Your great aunt's son is first cousin to one of your parents, and first cousin once removed to you.
What relation is your mother's mother's sister's son?
Your son and your mother's sister are in a "Great Nephew/Great Aunt" relationship.
What relation to your sister's son's daughter?
You are the great aunt/uncle of your sister's son's daughter, and your sister's son's daughter is your great niece.
What relation is your son to your mother's sister?
Your son and your mother's sister are in a "Great Nephew/Great Aunt" relationship.
You are an aunt to your nephew and he had a kid what relation is the kid to you?
Your nephew's child is your great nephew (if a boy) or great niece (if a girl). You are his or her great aunt.
What relation am i to my great nieces son?
Your niece's son is your grand-nephew. You are the child's grand aunt, or grand uncle (whichever applies).
What relationship is my niece's son?
Your niece's son is your great nephew. You are his great aunt or great uncle.
What relation is your granddaughter to your aunt?
You granddaughter is a great great niece of your aunt. Your aunt is your granddaughter's great great aunt.
What relation are you to your grand niece's son?
Your grand niece's son is your great grand nephew, or, some would say, your great great nephew. You are his great grand aunt or great grand uncle, or, some would say, great great aunt or great great uncle.
