What is your relation between your first cousins kids?

Answer 1

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, or
• your child's "second cousin" if your" first cousin once removed" is the child of your first cousin.

Answer 2

Your first cousin and your children are first cousins, once removed to each other. Your children and your first cousin's children are second cousins to each other

Answer 3

Your first cousin's kids would be YOUR second cousins, and your kids third cousins.

Answer 4

The children of your first cousin are your first cousins, once removed.