Marie Gabriele Prinzessin von Arenberg (born 1958) (b. 1958) Parents Princess Sophie, Duchess of Arenberg Prince Jean-Engelbert, 12th Duke of Arenberg Children Louis de Boncourt-Humeroeuille Antoine de Boncourt-Humeroeuille Charlotte de Boncourt-Humeroeuille Maïté de Boncourt-Humeroeuille Siblings Prince Léopold, 13th Duke of Arenberg Karl-Ludwig Felix Melchoir Prinz von Arenberg Heinrich Antoine Marie Prinz von Arenberg Etienne Albert Marie Melchoir Prinz von Arenberg Partners Gilles Morel de Boncourt-Humeroeuille