First cousins once removed.
First Cousin, twice 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
The children of your wife's first cousin are her first cousins, once removed. They are not related to you.
First cousins once removed.
The relationship between you and your cousin's spouse is that of a cousin-in-law.
Your cousin's children are your second cousins
Your children and your first cousin's children are second cousins.
They would be your second cousin.
If you are first cousins, they would be a first cousin once removed.
The relationship between you and someone who marries your cousin is that of a cousin-in-law. This means that the person who marries your cousin is considered your cousin-in-law, but they are not directly related to you by blood.
The children of your grandmother's first cousin are your second cousins, once removed.
You and the children of your first cousin are first cousins, once removed, to each other. Your children and the children of your first cousin are second cousins to each other.