Blanca de Silos was born on August 3, 1914 in Vitoria, Álava, País Vasco, Spain as Blanca Silos López de la Calle. She was an actress, known for Orosia (1944), Mariona Rebull (1947) and Raza (1942). She was married to Baron Max von Kettenburg. She died on September 13, 2002 in Segovia, Spain.