Der Vater Henrik Giergl (* 1827; † 1871) war ein berühmter Glaskünstler. ###>His father Henrik Giergl (1827-1871) was a famous glass artist and among his cousins were Géza Györgyi (hu) (1851-1934) who was an architect and Kálmán Györgyi (hu) (1860-1930) who was an expert on applied arts.