Also I edited my previous comment to play devil's advocate. I think there's a good amount of logic to back up the request, as far as using a family name goes.
But if that's so, he's gonna spend a lot of time adding all the places with "Horní" in its name - there's most likely hundreds of them in the Czech Republic, since "Horní" simply means "Upper" and is therefore very common, it's certainly not limited to those three entries already there - far from it.
The Verge is a technology-focused news publication founded in 2011 by Joshua Topolsky and Marty Moe in partnership with Vox Media and its CEO Jim Bankoff. The Verge's mission is to offer breaking news coverage and in-depth reporting, product information, and community content via a unified, modern platform.