Bertha of Sulzbach Byzantine empress of German descent (1110–1159) Parents Adelheid of Wolfratshausen Berengar I, Count of Sulzbach Children Maria Komnene Siblings Matilda of Sulzbach Gebhard III, Count of Sulzbach Gertrude of Sulzbach Luitgarde of Sulzbach Adelheid von Sulzbach Partners Manuel I Komnenos