What relationship is your mother's cousin's son to you?

Answer 1

Your mother's first cousin's child is your second cousin. Your mother's first cousin's grandchild is your second cousin, once removed. Your mother's second cousin's child is your third cousin. Your mother's second cousin's grandchild is your third cousin, once removed. Etc.

Answer 2

Your mother's uncle's daughter is your mother's first cousin. The children of first cousins are second cousins.

Therefore the uncle's daughter's son and you are second cousins to each other.

Answer 3

* Your mother's cousin's son is your second cousin. Your children and your first cousin's children are second cousins to each other because they have at least one great-grandparent in common.

Answer 4

Your mother's uncle's first cousin is your 1st cousin twice removed. Your great great grandfather was also that cousin's grandfather.

Answer 5

Second cousin once removed... unless the uncle was married into your family, then you're not even related by blood (but it might still be called second cousin once removed... can't be sure)