Bertha of Sulzbach
Bertha of Sulzbach, also known as Irene, was a Byzantine empress by marriage to Byzantine Emperor Manuel I Komnenos. Wikipedia
Born: 1110, Sulzbach-Rosenberg, Germany
Died: August 29, 1159 (age 49 years), Constantinople
Spouse: Manuel I Komnenos (m. 1146–1159)
Children: Maria Komnene
Parents: Berengar II of Sulzbach and Adelheid of Wolfratshausen