Definition of grandnephew
: a grandson of one's brother or sister
Recent Examples of grandnephew from the Web
After his Breakfast Club appearance, someone on Twitter did offer a valid explanation for Shoemake’s claims: Why would Frederick Douglass’ grandnephew do this?
That made his grandnephew Tyler Melnicove laugh out loud.
And how’s this for complex family dynamics: Alex Tyng wrote her dissertation on her father’s work, then ended up marrying his grandnephew.
Alexandrowka is a cluster of wooden cabins bedecked with Slavic folk carvings and was assembled in 1826 by Frederick William III, grandnephew of Frederick the Great, as a colony for Russian soldiers.
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First Known Use of grandnephew
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