Treaty of Edinburgh–Northampton and cousin, and was crowned in 1306. He decisively defeated the English, under Edward II, at Bannockburn in 1314. Peace talks were held between 1321 and 1324. Little progress was made, as the English refused to recognise Robert the Bruce as King of Scots, although a truce was agreed in 1323, to last thirteen years. Edward II claimed he adhered to this truce, but he allowed English privateers to attack Flemish vessels trading with Scotland. For example, privateers seized the Flemish vessel "Pelarym", worth £2,000, and massacred all the Scots on board. Robert the Bruce demanded justice, but in vain,
Birger, King of Sweden acknowledged the son of Birger, Magnus Birgersson, as the successor to the throne. Torkel Knutsson, who was Duke Valdemar's father-in-law, was executed in 1306 as a token of reconciliation between King Birger and his brothers. The same year, in an event known as the Håtuna games ("Håtunaleken"), Birger was taken captive by his brothers on the Håtuna royal estate in Uppland and taken as prisoner to Nyköping Castle ("Nyköpingshus"). In 1308, Eric and Valdemar were forced by the Danish king to release King Birger, but they did so under humiliating conditions. When King Birger was free, he sought aid in