Blanca de Silos was born on August 3, 1914 in Vitoria, Álava, País Vasco, Spain. She was an actress, known for Mariona Rebull (1947), Castillo de naipes (1943) and Éramos siete a la mesa (1942). She was married to Baron Max von Kettenburg. She died on September 13, 2002 in Segovia, Segovia, Castilla y León, Spain.