Alfonso of Brienne, called Alphonse d'Acre (c. 1228 – 14 September 1270), was the son of John of Brienne and Berengaria of León, born in Acre. Alfonso...

John of Brienne (c. 1170 – 19–23 March 1237), also known as John I, was King of Jerusalem from 1210 to 1225 and Latin Emperor of Constantinople from 1229...

grandson of Ferdinand de la Cerda. His mother was Matile of Brienne, daughter of John I of Brienne, Count of Eu. He married Maria Alfonso de Portugal...

of León (1204 – 12 April 1237) was the third wife but only empress consort of John of Brienne, Latin Emperor of Constantinople. She was a daughter of...

Gregory IX. April 25 – Conrad IV (or Conrad II), king of Germany (d. 1254) Alfonso of Brienne, Norman nobleman and knight (d. 1270) Bartolo da San Gimignano...

Huelgas de Burgos. In 1290, Alfonso married Matilde of Brienne, daughter of John I of Brienne. They had seven children: Alfonso de la Cerda (France, 1289...

Brienne and his third wife, Berengaria of León. Louis and his two brothers, Alfonso and John, were commonly labelled as "of Acre" for the capital of the...

Berengaria of León (died in 1237), in 1224 married John of Brienne, Alfonso also fathered many illegitimate children. After the annulment of his first...

eldest was Marie of Lusignan who had married Walter IV of Brienne, dying young and leaving a son Hugh of Brienne. The younger, Isabella of Cyprus, was married...

Viscount Aimery VI of Narbonne. Recent research showed that Alfonso de la Cerda married Matilde of Brienne, daughter of John I of Brienne. They had four sons...

John I of Brienne (died 12 June 1294) was the son of Alphonso of Brienne and Marie de Lusigan. His mother was the heiress of Eu, Seine-Maritime, and he...

of Montferrat Louis I, Count of Blois Enrico Dandolo Baldwin I of Constantinople Henry of Flanders John of Brienne Bohemond IV of Antioch Hugh I of Cyprus...

William II of Holland, anti-king of Germany (d. 1256) 1228 April 25 – Conrad IV (or Conrad II), king of Germany (d. 1254) Alfonso of Brienne, Norman nobleman...

emperor-regent for life. Baldwin was also to marry Marie of Brienne, daughter of John and his third wife Berenguela of Leon, and on John's death to enjoy the full...

with his daughters. Alfonso also attempted to secure his eldest daughter's rights by marrying her to John of Brienne, the former King of Jerusalem, but his...

was held by the family of la Roche until 1308, when it passed to Walter V of Brienne. Walter hired the Catalan Company, a group of mercenaries founded by...

Brienne, Count of Eu. They had four sons and three daughters. Ferdinand (1275–1322), who married Juana Núñez de Lara, called "la Palomilla", Lady of Lara...

in Greece. He was born in Constantinople, the son of Baldwin II of Constantinople and Marie of Brienne. In his youth, his father was forced to mortgage...

Born in Lecce, he was the son of Raimondo Orsini del Balzo, Prince of Taranto, and Mary of Enghien, an heiress of the Brienne main branch. When his father...

Count of Lecce; 1194 - King Henry, husband of Constance of Sicily; 1198 - Robert; 1200 - Guy Walter III of Brienne, husband of (Albinia, Elvira) Mary of Lecce...

Alfonso de la Cerda, called of Spain (France, 1289 - Gentilly, France, 1327) from the Castilian House of Ivrea was Archdeacon of Paris, baron of Lunel...

Enghien, Count of Castro, and Sancia Del Balzo. Her paternal grandmother Isabella survived her brother Walter VI of Brienne, titular Duke of Athens etc....

Cerda was the second son of Alfonso de la Cerda, the disinherited and Matilde of Brienne-Eu (daughter of John II of Brienne). Alfonso had been chosen to inherit...

Berengaria to John of Brienne, a maneuver which brought Ferdinand III closer to the throne of León, since John was the candidate Alfonso IX had in mind to...

and then by Walter VI of Brienne, Duke of Athens, Count of Lecce and Grand Constable of France. Copertino became the centre of a County under the Enghiens...

Marulla of Verona. As the Papacy supported the claims of Walter VI of Brienne on the Duchy of Athens, Peter (along with his father and his brother James)...

second wife of Charles of Valois, by whom she had one son and three daughters; the eldest of these, Catherine II of Valois, Princess of Achaea succeeded...

Tancred of Sicily, Prince (1189–1194) William III, Prince (1194) Henry, Prince (1194–1198) Robert, Prince (1198–1200) Walter III of Brienne, Prince (1200–1205)...

(1295–1337) Principality of Taranto (complete list) – Walter III of Brienne, Prince (1200–1205) Frederick, Prince (1205–1250) Manfred of Sicily, Prince (1250–1266)...

married an experienced French knight, John of Brienne. Maria died in childbirth in 1212, and John of Brienne continued to rule as regent for their daughter...