here - Nobility Associations

wife Isabella of England (1235-1241): born in that emptiness Manfredi (1232), King
of Italy and step brother to Frederick of Antioch, whose mother Bianca Lancia is
called "fifth uxor." The hypothesis is: the first three wives "regular", then married
women "in extremis", when were about to die (GP Carosi, op. Cit., Pp. 24-25).
Federico of Antioch took the surname by the investiture of the father of the
principality of Antioch (“Summonte” in the History of Naples, p. 2 F. 237). He
married Margarita Poli, nephew of Pope Innocent III, and from them was born a
primogenitor Corrado, called Caputo, count of Alba, Celano, Loreto and Abruzzo.
Filadelfo Mugnos writes that this dynastic line is agreed by all historians. The Pope
fearing that Corrado would embrace a policy against the Church as his father did
not invested him in the land of Sicily, preferring Charles I of Anjou.
While the Swabian dynasty in the legitimate line became extinct with the death of
Corradin in 1268, the offspring of which Federico Prince of Antioch who was the
Head of the House, continued for many generations
The Hohenstaufen Dynasty - Page 91 of 200