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 6 1944 Liessow married on July 1 1969 in Munich civ and on July 2 1969 in Munich rel to Michael Karl August Wilhelm Prinz Biron von Kurland born January 20 1944 Gross Wartenberg presumptive heir to the title of F rst Biron von Kurland the parents of Veronika Prinzessin Biron von Kurland born January 23 1970 Munich Alexander Prinz Biron von Kurland born September 18 1972 Munich presumingly the last male heir of his line married on August 16 2003 in Bernried civ and October 4 2003 in Bernried rel to Michaela Gr fin Strachwitz von Gross Zauche und Camminetz born March 19 1979 Starnberg Stephanie Prinzessin Biron von Kurland born September 24 1975 Munich Michaela von Oertzen born July 11 1948 Hamburg married on June 8 1974 in Munich to Eugen Wunibald Hubert Augustinus Lukas Maria Prinz von Waldburg zu Wolfegg und Waldsee born October 18 1943 Krzemusch bei Dux Bohemia the parents of Sophie Margarete Walburga Prinzessin von Waldburg zu Wolfegg und Waldsee born December 10 1975 Wangen Allg u married on February 10 2007 in Kisslegg to Giovanni Barone Malfatti di Montetretto Isabelle Katharina Walburga Prinzessin von Waldburg zu Wolfegg und Waldsee born January 31 1978 Wangen Allg u married on June 17 2006 in Kisslegg civ and on July 22 2006 in Kisslegg rel to Georg Freiherr von Massenbach born February 6 1975 L beck Ferdinand Georg Wunibald Prinz von Waldburg zu Wolfegg und Waldsee born July 30 1981 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 5 1995 and her sister Philippa born July 5 1999