genealogy mv to here he's also the likely ancestor of gerda von siemens married to joachim von oertzen the parents of kristin von oertzen born november liessow married on july in munich civ and on july in munich rel to michael karl august wilhelm prinz biron von kurland born january gross wartenberg presumptive heir to the title of f rst biron von kurland the parents of veronika prinzessin biron von kurland born january munich alexander prinz biron von kurland born september munich presumingly the last male heir of his line married on august in bernried civ and october in bernried rel to michaela gr fin strachwitz von gross zauche und camminetz born march starnberg stephanie prinzessin biron von kurland born september munich michaela von oertzen born july hamburg married on june in munich to eugen wunibald hubert augustinus lukas maria prinz von waldburg zu wolfegg und waldsee born october krzemusch bei dux bohemia the parents of sophie margarete walburga prinzessin von waldburg zu wolfegg und waldsee born december wangen allg u married on february in kisslegg to giovanni barone malfatti di montetretto isabelle katharina walburga prinzessin von waldburg zu wolfegg und waldsee born january wangen allg u married on june in kisslegg civ and on july in kisslegg rel to georg freiherr von massenbach born february l beck ferdinand georg wunibald prinz von waldburg zu wolfegg und waldsee born july tettnang werner von siemens was the great great grandfather of henrik von siemens and the great great great grandfather of sophia von siemens born august and her sister philippa born july