What is a half-aunt?
A half-aunt is the half-sister of one of your parents — she shares one parent with your mother or father rather than both. A half-uncle is the equivalent half-brother. The relationship is otherwise the same as an aunt or uncle, just through a half-sibling link.
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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
Is a half-aunt's child my cousin?+
Yes — a half-aunt's child is your half-first-cousin, sharing one great-grandparent line with 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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