Yes they're a distant relative
Your first cousin's child is your first cousin's, once removed. Your second cousin's child is your second cousin, once removed. Your third cousin's child is your third cousin, once removed.
Your father's first cousin, once removed, is your 2nd cousin. Your father's second cousin, once removed, is your third cousin.
Your son and your third cousin are third cousins, once removed, to each other. Your son and your third cousin's son are fourth cousins to each other.
Your great-grandmother's first cousin's grandson is your third cousin once removed.
Your cousin's brother is also your cousin. His child is your cousin once removed. For example, if your first cousin has a child, that child is your first cousin, once removed. If your third cousin has a child, the child is your third cousin, once removed.
There are two ways you can have a first cousin, once removed.If your first cousin, once removed, is the first cousin of one of your parents, then the daughter is your second cousin.If your first cousin, once removed, is the child of your first cousin, then the daughter is your first cousin, twice removed.
Your first cousin's child is your first cousin, once removed. Your second cousin's child is your second cousin, once removed. Your third cousin's child is your third cousin, once removed. Your relationship to the children of cousins who are once, twice, or more removed is more complex and depends on whether you or the removed cousin are in the older generation.
Your grandfather's first cousin is your first cousin, twice removed. Your grandfather's second cousin is your second cousin, twice removed. Your grandfather's third cousin is your third cousin, twice removed. The relationship possibilities become more complex if you are talking about your grandfather's cousins who are once (or more) removed.
Your first cousin and your children are first cousin, once removed. Your second cousin and your children are second cousins, once removed. Your third cousins and your children are third cousins, once removed. And so forth.
Your father's first cousin's grandchild is your second cousin, once removed. Your father's second cousin's grandchild is your third cousin, once removed. Your father's third cousin's grandchild is your fourth cousin, once removed. And so forth.
Your father's first cousin's grandson is your second cousin, once removed. Your father's second cousin's grandson is your third cousin, once removed, and so forth. It gets more complicated if we a re talking about your father's first cousin once or more removed, etc.
Yes.