Gertrude of Sulzbach (d. 1146)

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Gertrude of Sulzbach (d. 1146)

Holy Roman empress. Died on April 14, 1146; daughter of Berengar II of Sulzbach; sister of Bertha-Irene of Sulzbach (d. 1161); married Conrad III (1093–1152), Holy Roman emperor (r. 1138–1152); children: Henry (1137–1150); Frederick IV (b. around 1145–1167), duke of Rottenburg (r. 1152–1167) and duke of Swabia (who married Gertrude of Brunswick ).