The coat of arms was left to Eduard Hilger family end of last century by the Pope to use. The great-grandfather Edward Hilger (VI) of the present owner of Good Hohenholz Eduard Hilger (VIII) was an imperial and papal purveyor for piano. During World War II the factory was bombed in Aachen Antoniusstrasse. Am still standing parent family the crest of the Hilger family is carved in stone.