Bianca Lancia d'Agliano (also called Beatrice and Blanca), an Italian noblewoman, was the mistress and later the wife of Holy Roman Emperor Frederick II. The marriage was conducted while she was on her deathbed, therefore it was considered non-canonical.
Bianca Lancia d'Agliano (also called Beatrice and Blanca; ca.1200/10--ca.1244/46) was an Italian noblewoman. She was the mistress and later the last wife of the Hohenstaufen emperor Frederick II. The marriage was conducted while she was on her deathbed, therefore it was considered non-canonical.