Hi! I'm Szilvia Preisz and I live in Pilisszentiván. My grandfather is Karl Preisz. He was born in 1931in Zsámbék and he lives in Pilisszentiván now. His fathers name was Márton Preisz, he was born in 1906 in Pilisszentiván.He had one brother János Preisz and 4 sisters Margit, Mária, Teréz and Erna Preisz and he was married to a Maria Mayer.
That's all information that I know now. I hoppe I could help you!