The last member of the dynasty was Manfred's son, Henry [Enrico], who died in captivity at Castel dell'Ovo on 31 October 1318.(Carrara, Mario.Gli Scaligeri, Varese, Dell'Oglio, 1966).Gregorovius, Ferdinand (2010) [1897]. History of the City of Rome in the Middle Ages. Vol. 5, Part 2, Cambridge University Press.Matthew of Paris, Mon. Germ. Hist. Scriptores XXVIII pp. 360-361Cronica Fratris Salimbene di Adam, Ordinis Minorem, MGH SS XXXII p. 349
