What is a 3rd Cousin Twice Removed?

Relatives have a common ancestor. To determine the correct term for your relationship, you must know your relationship with the common ancestor and your relatives relationship with the common ancestor. Using either of the tables below, you can determine the correct term.

Relatives with common parents are siblings. Those with common grandparents are 1st cousins. Those with common great grandparents are 2nd cousins. Those with common 2nd great grandparents are 3rd cousins. Etc.

Removed

The term removed is to indicated that the relatives are in different generations. You and all of your first cousins are of the same generation. Your first cousin's children are in a different generation so they are first cousins once removed. Your first cousin's grandchildren are first cousins twice removed.

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