Johann (gen. Gotko) von der NEISSE
HM Juan Carlos' 21-Great Grandfather. Philippe of Belgium's 21-Great Grandfather. Grand Duke Henri's 21-Great Grandfather. HM Margrethe II's 20-Great Grandfather. HM Beatrix's 20-Great Grandfather. HM Constantine II's 21-Great Grandfather. `Red Baron' Richthofen's 16-Great Grandfather.