Background
Her father was helping him defend Montferrat, hoping to make John his vassal.
Her father was helping him defend Montferrat, hoping to make John his vassal.
Blanche was the eleventh child of Charles II of Naples and Maria of Hungary. She was originally betrothed in 1290 to John I, Marquess of Montferrat. However, the engagement was broken off and John died childless in 1305.
The new Pope Boniface VIII, elected in 1294 at Naples under the auspices of King Charles, mediated between the latter and James II of Aragon, and the dishonourable Treaty of Anagni was signed: James was to marry Blanche and was promised the investiture by the pope of Sardinia and Corsica, while he was to leave the Angevin a free hand in Sicily and even to assist him if the Sicilians resisted.
On 29 October or 1 November 1295 at Vilabertran, Blanche and James were married. They had ten children:
James (b 29 September 1296 – d Tarragona, July 1334).
James renounced his right to the throne in 1319 to become a monk. Alfonso IV of Aragon (1299 – 24 January 1336).
He became the King of Aragon in 1327 and ruled until his death.
Maria (b 1299 – d as a nun in Sijena, 1316). Constance (b Valencia, 1 April 1300 – d Castillo de Garcia Munoz, 19 September 1327). Constance married Juan Manuel, Prince of Villena, nephew of Alfonso X of Castile.
John (b 1304 – d Pobo, Zaragoza, 19 August 1334).
John became the first Archbishop of Toledo and Tarragona in 1318, and Patriarch of Alexandria in 1328. Peter (b 1305 – d Pisa, 4 November 1381), Count of Ribagorça and Prades.
Peter married Jeanne, daughter of Gaston I of Foix. Peter was the father of Eleanor, Queen of Cyprus.
Blanche (b 1307 – d Barcelona, 1348), Prioress of Sixena.
Ramon Berenguer (b August 1308 – d a priest at Barcelona, 1366), Count of Empúries and Baron of Ejerica. Ramon married firstly Blanca, daughter of Philip I of Taranto, and secondly Maria, daughter of Jaime of Aragon. Violante (b Barcelona, October 1310 – d Pedrola, 19 July 1353).
Her second marriage was to Lope de Luna, Lord of Segorbe.
Blanche was buried at Santes Creus.
She was a member of the Capetian House of Anjou, she is also known as Blanche of Naples.