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Bertha of Flanders was born circa 990 to Matilda de Bourgogne (969-c1016) . She married Gerhard III. von Egisheim (?-1038) . Charlemagne (747-814), Alfred the Great (849-899).

Note that French and Dutch Wikipedia claim (without references) that she is the daughter of Baldwin III, Count of Flanders.


Offspring of Gerhard III. von Egisheim (?-1038) and Bertha of Flanders
Name Birth Death Joined with
Gerold II de Geneve (c1020-1080) 1020 1080 Gisèle (-1060)
Thetberge von Rheinfelden (c1045-c1092)
Conon de Geneve (c1025-1107) 1025 1107
Hildegard von Egisheim (c1024-c1094) 1024 1094 Friedrich von Büren (c1020-aft1053)

Footnotes (including sources)

‡ General
Ω Birth
  • year of birth from mother's and son's