The son of your Uncle's son is your uncle's grandson. Your uncle's grandson is your first cousin, once removed.
Your great grandparents brothers and sisters are your great uncles and great aunts.
No. there is no relation between the two. Bobby has two sons, Darren and Brent, who both played hockey at minor levels but eventually left the sport.
He is your first cousin twice removed.
There is no genealogical relationship. He is just your son-in-law's brother.
If the son married his aunt
your cousin
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
Your son's children are your grandchildren.
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
Your grandfather's son's son could be:you (if you are a boy)your brotheryour first cousin
your uncles daughter would be your cousin
They share a common Grandparent. That makes them first cousins.
Your uncle would be your sons great uncle. Normally your Son would also call him 'Uncle .... '
Your uncle's son is your first cousin.
It means you have (or had) at least two uncles and at least two great-uncles, and that is all it means.
It could be your son. It could be your nephew as well. It could be no relationship to you at all. The question is do you share a common ancestor? If you do not have a common ancestor, you are not related.
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.