What Is A 5th Cousin?
What Is A 5th Cousin? What is the definition of a fifth cousin? Fifth cousins share at least one great-great-great-great grandparent as a common ancestor and are descended from different offspring of the ancestor(s). How much DNA do 5th cousins share? Relationship Average % DNA Shared Range 3rd Cousin 0.78% 0.3% – 2.0% 4th Cousin