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OF ALSACE Gertrude (chg to Petronilla)
Birth:          ABT 1082 of Alsace-Lorraine, France
Death:          24 May 1144 

Notes
https://en.wikipedia.org/wiki/Petronilla_of_Lorraine
Petronilla of Lorraine (c. 1082 – 1144) was Countess of Holland by marriage to Floris II, 
Count of Holland, and regent of Holland during the minority of her son Dirk VI in 1121
-1129. She was a daughter of Theodoric II, Duke of Lorraine and Hedwige of 
Formbach.

Biography[edit]

Named after her maternal grandmother, she changed her name from Gertrude to 
Petronilla. After her husband's early death, she became regent for their son, Dirk VI. 
After Baldwin VII, Count of Flanders died without heirs, she supported her son's claim 
to become Count of Flanders, but Baldwin was eventually succeeded by Charles I. In 
the struggle for power between Dirk and his younger brother Floris the Black, she first 
supported the latter. At his second attempt, she refused to support him though.

Petronilla founded Rijnsburg Abbey, where she was buried after her death in 1144.

Issue[edit]

With Floris II she had the following children:
Dirk VI (c. 1115–1157)
Floris the Black

Parents
OF ALSACE Theodoric II (Dietrich) (Thierry) (ABT 1050 - 30 Dec 1115)
VON FORMBACH Hedwig (ABT 1058 - ABT 1088)

Siblings
OF ALSACE Simon I (1076 - 13 Apr 1138)
OF ALSACE Gertrude (chg to Petronilla) (ABT 1082 - 24 May 1144)

Marriage To ____ Floris II (Florenz) "De Vette" ("the Fat") (ABT 1083 - 2 Mar 1121) m. ABT 1108 Notes Parents ____ Dietrich (Dirk) V (ABT 1052 - 17 Jun 1091) ____ Ulfhilde (Othelhildis) (BEF 1054 - 18 Nov 1092) Children by ____ Floris II (Florenz) "De Vette" ("the Fat") ABT 1083 - 2 Mar 1121
____ Dietrich (Dirk) VI (ABT 1114 - 6 Aug 1157)
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