<Tr> <Th> Criminal status </Th> <Td> Incarcerated at Garsten Abbey </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Rosemarie Fritzl </Td> </Tr> <Tr> <Th> Conviction (s) </Th> <Td> Murder by negligence and other charges </Td> </Tr> <P> Josef Fritzl (now known as Mayrhoff) was born on 9 April 1935, in Amstetten to Josef Fritzl Sr and Maria Fritzl . He grew up as an only child raised solely by his working mother . His father had deserted the family when Fritzl was four, and never again came into contact with him . Fritzl Sr later fought as a soldier in the Wehrmacht during World War II, and was killed in action in 1944 . His name appears on a memorial plaque in Amstetten . In 1956, at the age of 21, he married Rosemarie, 17, with whom he had two sons and five daughters . </P>

The man that kept his daughter in basement