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death does not appear in the Annals of the Four Masters, 
nor in those of Ulster, but it is recorded in those of Clon- 
macnoise, and in the Chronicum Scotorum of Duald Mac 
Firbis. It occurred in 941, and Simeon of Durham, and 
Roger of Howden tell us under what circumstances. 
^'Olilaph ('Onlaph,' E.H.) ravaged the church of S. Baiter 
and burned Tiningham, and perished immediately/' 
This was the end of Olaf, son of Guthfrith. His last 
two years had been probably spent in piracy. He was suc- 
ceeded in Dublin by his cousin, 
III. Olaf, son of Sitric, sometimes called Olaf Cuaran, 
i.e. " the crooked." From the Annals of Clonmacnoise and 
of the Four Masters, we learn that Amlaoib Cuaran went to 
York in 940, and was succeeded in Dublin by Blacaire, son 
of Guthfrith, and the latter annals immediately afterwards 
record " a victory gained by the king of the Saxons over 
Constantino mac Aed, Anlaf (or Amlaoib) mac Sitric and the 
Britons." In 940 he came to York, and was chosen king 
by the Northumbrian Danes; thence, going southward, he 
besieged Northampton without success ; he probably raised 
the siege on hearing of the approach of Eric, son of Harold 
Haarfager, whom he encountered and slew ; and this must 
have been at Tamworth, where, our Chronicle says, he gained 
a great victory and much booty. Thence he went to Leices- 
ter, where he was attacked by Eadmund (this is the battle 
mentioned by the Four Masters). After a fierce battle, peace 
was made by the intervention of the Archbishops of Canter- 
bury and York, and Olaf was baptized and received by 
Eadmund from the font. 
In 941, after his notice of the death of Olaf, son of Guth- 
frith, Simeon of Durham continues: ''but Onlaf, son of 
Sihtric, reigned over the Northumbrians." In 943, " Anlaf 
son of Syhtric," according to our Chronicles, was expelled 
by Eadmund, and Simeon of Durham mentions a second 
