[2] The basis for this conclusion is the Necrologium Lundense which mentions an Elena Regina with the death date 31 December.
[3] According to a hypothesis she may be identified with a non-official semi-legendary saint called Helen who was venerated in Sweden and, apparently, Denmark.
[4] At the end of 1156, Canute V traveled to Sweden to console his mother after the assassination of King Sverker.
During the feast, Sweyn's men fell on his two rivals and Canute was murdered, while Valdemar managed to slip away.
[7] On the basis of this, some historians assume that Canute's queen withdrew from the world shortly after her husband's murder, in about 1158, joining her sister Ingegerd (d. 1204) who was the prioress of Vreta.