Quellenhinweise

https://gw.geneanet.org/europilgrim?lang=de&pz=frederique&nz=jochum&p=ulrich&n=diringer+duringer

https://gw.geneanet.org/myvonnemathis?lang=de&pz=marie+yvonne&nz=mathis&p=ulrich&n=dieringer