Constance was the posthumous daughter of Roger II by his third wife Beatrice of Rethel. Constance, unusually for a princess, was not betrothed until she...

birth year is unknown. It is only known that his father, Count Hugh I of Rethel, was born in the 1040s and Baldwin was already an adult by the 1090s. He...

Jeanne of Ponthieu (d. 1376), Lady of Épernon Jeanne of Rethel (1277–1328), Countess of Rethel, 1285–1328 Jeanne of Soissons (1323–1350), Countess of Soissons...

Montferrat. A cadet branch of the Mantua Gonzagas became dukes of Nevers and Rethel in France when Luigi (Louis) Gonzaga, a younger son of Federico II Gonzaga...

election of a new Bishop of Lüttich in September 1191, he favored Albert de Rethel for Albert was a maternal-uncle of Empress Constance, whom both he and Constance...

married to Manfred of Sicily 2 June 1259, after the death of his first wife Beatrice of Savoy in 1257 and his own rise to the throne on 10 August 1258. D. J...

Italian). Retrieved 21 June 2022. Castelli di Torremuzza 1820, p. 77. Borsari, Silvano (1961). "ANTONIA, regina di Sicilia". Dizionario Biografico degli Italiani...

November 1630 – 6 December 1686), was by birth Princess of Mantua, Nevers and Rethel from the Nevers branch of the House of Gonzaga and was Holy Roman Empress...

Retrieved 20 June 2013. Kamp, N (1995). "Federico II di Svevia, imperatore, re di Sicilia e di Gerusalemme, re dei Romani". Dizionario Biografico degli...

Encyclopedia Britannica. Retrieved 20 July 2021. "Due Sicilie, regno delle in "Dizionario di Storia"". www.treccani.it (in Italian). Retrieved 20 July 2021....