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She was one of the two daughters of the edelfrei Lord Frederick III of Pettendorf -Lengenfeld-Hopfenohe, who died between 1112 and 1119 without a male heir. Her mother was a Heilika of Swabia the daughter of Duke Frederick I of Swabia and his wife, Agnes of Germany . So, she was a granddaughter of Emperor Henry IV .
about
1103
| 1103 • Bohemund I of Antioch is released from Turkish imprisonment. |
1117
Age: 14y
birth of childOtto I Wittelsbach Kelheim, Bavaria ⇓ 2 Sources ⇓ |
| 1117 • The earliest use of a compass for navigational purposes is recorded. |
1170
Sep 14
Age: 67y
| 1170 • The East Frisian island of Bant is broken up in a North Sea flood. |