What is my sister's granddaughter to me?
Your sister's granddaughter is your great-niece. You and your sister share your parents, and their granddaughter sits two generations further down the same line. From the other side, you are their great-aunt or great-uncle — each further generation down adds another 'great' to both titles.
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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
What would my sister's granddaughter be to me?+
Your sister's granddaughter would be your great-niece — the term is fixed by the generations between you, however you phrase the question.
Who am I to my sister's granddaughter?+
You are their great-aunt or great-uncle.
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.
No credit card needed. Your tree stays yours.
