Main contributor: MyHeritage Staff
Family relationship chart for third cousin twice removed

The term third cousin once removed refers to third cousins who are a generation removed from each other. Specifically, a third cousin once removed is either the child of a third cousin or the third cousin of one’s parent.

To understand this relationship, it is important first to understand what a third cousin is. Third cousins share a common set of great-great-grandparents. Therefore, the great-grandchildren of two siblings' grandchildren are third cousins. A third cousin once removed is one generation removed from this relationship.

The term "removed" is used to describe the number of generations between two individuals in a family tree. In the case of a third cousin once removed, the term "removed" indicates that the two individuals are not of the same generation. Each "removal" represents a generation.

It is important to note that a third cousin once removed is not the same as a second cousin twice removed, even though both relationships are one generation removed from a cousin. A second cousin twice removed is the grandchild of one's second cousin, while a third cousin once removed is the child of one's third cousin or the third cousin of one's parent.

While third cousins once removed are more distantly related than third cousins, they are still considered to be part of one's extended family and share a familial connection.

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