Frederick of Antioch
Frederick II, Holy Roman Emperor's son
Frederick of Antioch was an Italian nobleman who served as the imperial vicar of Tuscany from 1246 to 1250. He was an illegitimate son of Frederick II, Holy Roman Emperor, by an unidentified southern Italian noblewoman. Wikipedia
Born: 1220
Died: 1256 (age 36 years)
Parents: Frederick II, Holy Roman Emperor
Grandchildren: Giovanna di Svevia, Costanza di Antiochia, Francesco de Antiochia, and more
Grandparents: Henry VI, Holy Roman Emperor and Constance, Queen of Sicily
Children: Conrad of Antioch
Partner: Margherita Conti