Cela s'est passé un 27 décembre 1087.

Sources : Rania Melhem December 27, 1087: Death of Bertha of Savoy. She was the daughter of Oddone of Savoy and Adelaide de Susa, Countess of Torino. Bertha was born on September 21, 1051 and on December 25, 1055, she was betrothed to the future Heinrich IV of Franconia, Holy Roman Emperor and later married on July 13, 1066. Heinrich apparently hated his wife and refused to have anything to do with her, and in 1069 he began procedures for a divorce. The divorce request was rejected by Peter Damiani, Pope Alexander representative. Things must have improved between husband and wife because Bertha accompanied her husband on his journey to Canossa and she stayed with him between January 25 and January 27, 1077 in the freezing cold while he waited in the snow for the pope to forgive him. Anyway, Heinrich and Bertha had 3 children who survived to adulthood: Agnes of Germany (or Franconia) who married first Friedrich I Hohenstaufen and second St. Leopold III of Babenberg, Margrave of Austria; Konrad , Holy Roman Emperor and King of Germany and Italy and finally Heinrich V , who married Mathilda of Normandy, or Maud the Empress who after his death married Geoffrey Plantagenet of Anjou and was the ancestress of the Plantagenet dynasty.