Alexandra de Gontaut-Biron (born 1969) (b. 1969) Parents Isabelle de Pontac Louis-Antoine de Gontaut-Biron Children Baroness Ludmilla von Oppenheim Baron Waldemar von Oppenheim Siblings Christophe Jean Vital de Gontaut-Biron Sybille Barbara de Gontaut-Biron Partners Simon von Oppenheim