Q. Some sources say my brother’s grandchildren are my grandniece and grandnephews. If that’s the case, why am I a great-aunt? What’s the correct term?
A. Great-aunt or great-uncle is a lot like second cousin: It’s common practice for people to call their grandparents’ siblings by these terms, just as they often refer to first cousins’ children as second cousins—but neither is technically correct. As you noted, the proper term for your relationship to your brother’s grandchildren is grandaunt, just like grandparent. Grand means that the relatives in question are two generations removed from one another.
So aunts and uncles follow the same pattern as parents as you tack on generations:
And so on. “It’s a mistake to lump [grandaunts and granduncles] in with the greats,” says Jackie Smith Arnold in Kinship: It’s All Relative, 2nd edition (Genealogical Publishing Co.). “Mixing the generations causes confusion.” That may be the case, but because of the common misusage of great-aunt, grandaunt might not be any clearer to your relatives. Of course, having your grandnephews call you that certainly doesn’t hurt anything—it’s up to you whether you want to correct them!
In case you’re still wondering about cousins: Your first cousins’ children would be your first cousins once removed. Still suffering from cousin confusion? Be sure to brush up on your calculations with the resources listed below.
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Diane Haddad is the former editor-in-chief of Family Tree Magazine.
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Source: Family Tree Magazine.com