María García de la Rasilla y Gortázar, Princess of Vidin

Konstantin-Assen, Prince of Vidin, Duke of Saxony^[1] (born 5 December 1967) is the fourth son of Tsar Simeon II of Bulgaria and his wife Doña Margarita Gómez-Acebo y Cejuela. He is known also as Konstantin-Assen of Bulgaria and Konstantin-Assen of Vidin, the latter being the title of the fourth son of Bulgarian kings. He was born in Madrid. In Madrid on 7 July 1994 Konstantin-Assen married doña María García de la Rasilla y Gortázar, daughter of Álvaro García de la Rasilla y Pineda and his wife María de Gortázar e Ybarra, daughter of Manuel María de Gortázar y Landecho, 9th Count of Superunda, City Councilor of the Ayuntamiento of Bilbao, and wife (m. Algorta, Getxo, Biscay, 8 November 1932) María del Rosario de Ybarra y Bergé (Bilbao, 13 June 1908 -), niece of Ignacio de Gortázar e Ybarra, 10th Count of Superunda.^[3] Through her parents, the Princess of Vidin has considerable Basque ancestry.