1. | Mariette (Ioannis) Negroponte was born on 09 Jun 1910 in Lausanne, Vaud, Switzerland; died on 14 Jul 1973 in Brussels [Bruxelles], Belgium; was buried in Ixelles Cemetery, Ixelles, Bruxelles-Capitale, Belgium. Mariette married Count Gabriel (Agénor) de Gramont on 30 Apr 1931 in Saint Pierre de Chaillot, Avenue Marceau 31, Paris 16ème, Île-de-France, France. Gabriel (son of Duc Antoine Alfred Agenor (Antoine) de Gramont and Princesse Maria Ruspoli) was born on 02 Jun 1908 in Paris, Île-de-France, France; died on 09 Apr 1943 in Kings Lynn, Norfolk, England UK. [Group Sheet] [Family Chart]
Mariette married Baron Jacques Marie Alphonse Frederic Leopold (Alphonse) de Thier on 01 May 1946 in Madrid, Spain. Jacques (son of Alphonse Marie Prosper (Pierre) de Thier and Germaine Françoise Clémentine (Jean) Modera) was born on 15 Sep 1900 in Heusy, Verviers, Liège, Belgium; died on 21 Oct 1996 in Ixelles [Elsene], Brussels [Bruxelles], Belgium; was buried in Ixelles Cemetery, Ixelles, Bruxelles-Capitale, Belgium. [Group Sheet] [Family Chart]
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