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Birth:          ABT 1112 of Anjou, France
Death:          1165 Bethlehem, Palestine

Notes
https://en.wikipedia.org/wiki/Sibylla_of_Anjou
Sibylla of Anjou (c. 1112–1165) was a countess consort of Flanders. She was the 
daughter of Fulk V of Anjou and Ermengarde of Maine, and wife of William Clito and 
Thierry, Count of Flanders. She was the regent of Flanders in 1147-1149.

In 1123 Sibylla married William Clito, son of the Norman Robert Curthose and future 
Count of Flanders. Sibylla brought the County of Maine to this marriage, which was 
annulled in 1124 on grounds of consanguinity. The annulment was made by Pope 
Honorius II upon request from Henry I of England, William's uncle; Fulk opposed it and 
did not consent until Honorius excommunicated him and placed an interdict over 
Anjou. Sibylla then accompanied her widower father to the crusader Kingdom of 
Jerusalem, where he married Melisende, the heiress of the kingdom, and became king 
himself in 1131. In 1139 she married Thierry, Count of Flanders, who had arrived on 
his first pilgrimage to the Holy Land.

She returned to Flanders with her new husband, and during his absence on the 
Second Crusade the pregnant Sibylla acted as regent of the county. Baldwin IV, Count 
of Hainaut took the opportunity to attack Flanders, but Sibylla led a counter-attack 
and pillaged Hainaut. In response Baldwin ravaged Artois. The archbishop of Reims 
intervened and a truce was signed, but Thierry took vengeance on Baldwin when he 
returned in 1149.

In 1157 she travelled with Thierry on his third pilgrimage, but after arriving in 
Jerusalem she separated from her husband and refused to return home with him. She 
became a nun at the Convent of Sts. Mary and Martha in Bethany, where her step-
aunt, Ioveta of Bethany, was abbess. Ioveta and Sibylla supported Queen Melisende 
and held some influence over the church, and supported the election of Amalric of 
Nesle as Latin Patriarch of Jerusalem over a number of other candidates. Sibylla died 
in Bethany in 1165.

Descendants[edit]

Sibylla had six children with Thierry:
Philip, Count of Flanders
Matthew, Count of Boulogne, married Marie of Boulogne
Margaret, Countess of Flanders and Hainaut, married Baldwin V, Count of Hainaut
Gertrude, married Humbert III, Count of Savoy
Matilda
Peter

Parents
____ Fulk (Foulques) V "le Jeune" (1092 - 13 Nov 1143)
OF MANS (DU MAINE) Ermendgarde (Erembourge) (Ermentrude) (1096 - 1126)

Siblings
D'ANJOU Sybil (Sibilla) (ABT 1112 - 1165)
PLANTAGENET Geoffrey V "Le Bon" (24 Aug 1113 - 7 Sep 1151)

Marriage To D'ALSACE Thierry (Dietrich) II (ABT 1099 - 17 Jan 1168)
    m.  

Notes
his 2d

Parents
OF ALSACE Theodoric II (Dietrich) (Thierry) (ABT 1050 - 30 Dec 1115)
DE FLANDERS Gertrude (ABT 1070 - 1117)

Children by D'ALSACE Thierry (Dietrich) II ABT 1099 - 17 Jan 1168
DE LORRAINE Margaret (Marguerite) (ABT 1135 - 15 Nov 1194)
D'ALSACE Matthew (Matthieu) (ABT 1137 - 25 Jul 1173)

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