Sihtric was a viking leader from Dublin who reigned as king of York.

Sihtric attacked the kingdom of Mercia from the Mersey which formed part of the border between Mercia and the Viking Kingdom of York.http://www.btinternet.com/~timeref/hprs.htm#J771 TimeRef - Sihtric (Norse King of York)

In 926 he married King Athelstan of England's daughter in a political move designed by Athelstan to build up his influence in the north of England. Sihtric died suddenly only a year later in 927.Higham, Kingdom of Northumbria, pp. 186–190; Stenton, Anglo-Saxon England, pp. 339–340.

Sihtric was survived by a son Olaf whom the Irish nicknamed Cuaran.

References

927 deaths