The children of first cousins are second cousins to each other.
Where two people are first cousins to each other (call them Joe and Ed) Joe's children and Ed are first cousins, once removed, and Ed's children and Joe are first cousins, once removed.
Joe and Ed are in the same generation. Their children are in the next generation. "Once removed" refers to people who are in different generations and there is only one generation difference between them, as is the case with parent and child. Grand parent and grandchild, for example are two generations removed from each other.
Your children and your niece are first cousins to each other.
Your nephew's children are your great nieces (girls) and great nephews (boys). You are their great uncle or great aunt, depending on your sex.
The offspring of your first cousin is your first cousin once removed.
It depends...they may be no relation at all, or your cousin, or even your brother or sister. For instance: your cousin's cousin may be your father's brother's son's mother's sister's daughter! In that case you are not related at all. However, your cousin's cousin may be a mutual cousin to both you and your cousin. Or your cousin's cousin may refer back to either yourself or a sibling.
Your daughter and your aunt's children are first cousins to each other. Your daughter and your aunt's grandson are first cousins, once removed, to each other.
First cousins once removed.
First cousins once removed.
Your children and your niece are first cousins to each other.
Your children and your first cousin's children are second cousins.
You and the children of your mother's first cousin's children are second cousins to each other. You have a great grandparent in common.The children of your mother's first cousins are your second cousins.The children of your mother's second cousins are your third cousins.
The children of your wife's first cousin are her first cousins, once removed. They are not related to you.
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 grandfather's sister's children are your 'first cousins once removed'.
If two people are first cousins, their children are second cousins. If two people are fifth cousins, their children are sixth cousins.
Your mother's sister's children, sons or daughters, are your first cousins. The children of first cousins are second cousins to each other. That is the relationship between your children, or either sex, and your first cousin's children, of either sex..
Your children and your first cousin's children are second cousins.
Your children and your first cousin are first cousins, once removed, to each other. Your children and your first cousin's children are second cousins to each other.