The nephews of your first cousin once removed, like the children of your first cousin once removed, are your first cousins twice 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 first cousin's child is your first cousin once removed. Once removed means one generation apart. Your cousin's grandchild would be your first cousin twice removed--two generations.
Yes, your "first cousin once removed" is either :your children's "first cousin twice removed" -- if your "first cousin once removed" is the first cousin of your parent, oryour child's "second cousin" if your" first cousin once removed" is the child of your first cousin.
Your parent's first cousin's children are your second cousins. Your children and your second cousin's children are third cousins. Your children and your second cousin - or likewise you and the children of your second cousin - are second cousins, once removed. You and your parent's first cousin are first cousins, once removed.
Your daughter is first cousin once removed to your cousin. Your daughter is second cousin to your cousin's children. Your cousin's children are first cousins once removed to you
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 grandmother's first cousin is your first cousin, twice removed. The children of her first cousin are your first cousins, once removed.
Your first cousin's children are your first cousins, once removed. Your second cousin's children are your second cousins, once removed.
Your first cousin's daughter is your first cousin, once removed, and her children are your first cousins, twice removed.
The children of your first cousin are your first cousins once removed. The children of your second cousins are your second cousins once removed And so forth.
Your first cousin's children are your first cousins, once removed. Your second cousin's children are your second cousins, once removed.