NamnGertrud av Sachsen
Föddca 1030, Schweinfurt, Lower Franconia, Bayern, Tyskland
Död4 aug 1113, Veurne, West-Flandern, Bergien
BegravdVeurne, West-Flandern, Bergien
Partners
Föddca 1030, Flandern, Belgien
Död13 okt 1093, Flandern, Belgien
BegravdKassel, department du Nord/FR
Yrkegreve
Notis för Gertrud av Sachsen
31 generationer nedstigande till Kerstin Fredriksson.
Även gift med Floris I greve av Masaland, Kindhem och Texla.
Hon hade 7 barn med Floris I:
1. Albrecht (b. ca. 1051), a canon in Liege.
2. Dirk V (ca. 1052, Vlaardingen–17 June 1091).
3. Pieter (b. ca. 1053), a canon in Liége.
4. Bertha (ca. 1055–1094, Montreuil-sur-Mer), who married Philip I of France in 1072.
5. Floris (b. ca. 1055), a canon in Liége.
6. Machteld (b. ca. 1057)
7. Adela (b. ca. 1061), who married Count Baudouin I of Guînes.
Andra äktenskapet med Robert I hade hob 5 barn:
1. Robert II of Flanders (c. 1065 – October 5, 1111).
2. Adela (d.1115), who first married king Canute IV of Denmark, and was the mother of Charles the Good, later count of Flanders. She then married Roger Borsa, duke of Apulia.
3. Gertrude, who married Thierry II, Duke of Lorraine, and was the mother of Thierry of Alsace, also later count of Flanders.
4. Philip of Loo, whose illegitimate son William of Ypres was also a claimant to the county of Flanders.
5. Ogiva, abbess of Messines.