There is:
Ben Castle's birth name is Benjamin Castle.
Gabe Castle's birth name is Gabriel Castle.
Cait Castle's birth name is Caitlin Castle Dellagloria.
Josh Castle's birth name is Joshua Walton Castle.
Warwick Castle
Larnach Castle
Elsinore Castle
Windsor Castle...
Belvedere Castle.
It is called Buda Castle
It is called Clovis Castle.
Carrigaholt Castle.