He took part in the defence of Edinburgh, and in the battles of Langside (1568) and Restalrig (1571).
It was the site of a Premonstratensian abbey built by Fergus, and it was here that Queen Mary rested in her flight from the field of Langside (May 13, 1568).
On the third day from the rout of Langside she crossed the Solway and landed at Workington in Cumberland, May 16, 1568.
Near the town is Workington Hall, a castellated structure retaining some of the ancient rooms, including that in which Mary, queen of Scots, is said to have slept when she escaped to England after the battle of Langside in May 1568.
On the 13th of May the battle or skirmish of Langside determined the result of the campaign in three-quarters of an hour.
It was kept in good repair till after the battle of Langside (1568), when it was burnt by order of the regent Moray.