Prince Alexander Wassiltchkov 
Prince George Wassiltchkov
Children of Prince George Wassiltchkov and Barbara de Keller
- Princess Natalia Wassiltchkov b. 12 Jun 1965
- Prince Alexander Wassiltchkov b. 19 Aug 1966
Barbara de Keller
Her married name became Wassiltchkov.
Children of Barbara de Keller and Prince George Wassiltchkov
- Princess Natalia Wassiltchkov b. 12 Jun 1965
- Prince Alexander Wassiltchkov b. 19 Aug 1966
Prince Alexander Wassiltchkov
Princess Natalia Wassiltchkov
Princess Irina Wassiltchkov 
Princess Tatiana Hilarionovna Wassiltchkov1 
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
- [S213] Unknown author, “unknown article title,” European Royal History Journal: volume LIII, page 37.
Paul Alphonse Klemens Lothar Filip Neri Felix Nikomedes Prinz von Metternich1 
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Klemens Wenzel Lothar Michal Felix Prinz von Metternich-Winneburg1 
Child of Klemens Wenzel Lothar Michal Felix Prinz von Metternich-Winneburg and Isabel de Silva y Carvajal
- Paul Alphonse Klemens Lothar Filip Neri Felix Nikomedes Prinz von Metternich b. 26 May 1917, d. 21 Sep 1992
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Isabel de Silva y Carvajal 
Her married name became von Metternich-Winneburg.
Child of Isabel de Silva y Carvajal and Klemens Wenzel Lothar Michal Felix Prinz von Metternich-Winneburg
- Paul Alphonse Klemens Lothar Filip Neri Felix Nikomedes Prinz von Metternich b. 26 May 1917, d. 21 Sep 1992
