What is a fifth cousin?
Your fifth cousins share a 4× great-grandparent with you, six generations back. Their 3× great-grandparents were siblings. Relationships this distant are almost invisible in day-to-day life and are typically uncovered only through documented family trees.
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The calculator above is preloaded with this relationship. Change either person to work out any other connection, or open the full relationship calculator.
FAQs
How far back is a fifth cousin?+
Fifth cousins meet at a 4× great-grandparent — six generations above each of you.
Does the calculator store my family details?+
No — it runs entirely in your browser. Nothing you enter is uploaded or saved on our servers.
Start with one relative and see what comes back.
Add what you remember and AncestorIQ searches for the rest. Free to build your tree for as long as you like.
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