William Douglas of Nithsdale

Sir William Douglas of Nithsdale (c. 1370 – 1391 AD) was a Scottish knight and Northern Crusader.

William Douglas was an illegitimate son of Archibald the Grim, 3rd Earl of Douglas and an unknown mother.

A man of apparently dashing bearing, Douglas was with the Franco-Scots army when it unsuccessfully besieged Carlisle Castle in 1385, the defending Governor being Lord Clifford. He is recorded as there performing feats of valour and killing many Englishmen. According to Andrew of Wyntoun:

Douglas certainly had gained his spurs by 1387 when he married Egidia (or Gelis) Stewart, princess of Scotland, a daughter of King Robert II. According to the Liber Pluscarden, Egidia Stewart's beauty was well renowned. Charles V of France had "sent a certain most subtle painter to do her portrait and portray her charms, intending to take her to wife." But the King of France and all other of Egidia's admirers had lost out to the chivalric charms of Douglas. As part of her marriage portion went the lands of Nithsdale in south-western Scotland, Herbertshire in the county of Stirling and an annuity of £300.

Within his first year of marriage the young Nithsdale led a punitive raid against Irish raiders who had been troubling the tenantry of his father's Fiefdom of Galloway. In early summer 1388, with a party of 500 well prepared veteran men-at-arms he sailed into Carlingford Lough, landed outside the town and summoned their leaders. The chief of the townsfolk offered a sum for a temporary truce, to which Nithsdale agreed. Secretly the townsfolk sent off to Dundalk for reinforcements, with which they were obliged. 800 spearmen from Dundalk surprised the Scots camp by night, and were supported by a sortie from Carlingford town. The Scots, veterans of years of brutal Border warfare, drove the Irishmen off, captured the town and burnt it, seized the Castle and captured 15 ships in the harbour. En route back to Scotland Nithsdale "ravaged" the Isle of Man. Nithsdale's expeditionary force sailed back into Loch Ryan with enough time to participate in the raiding of Northern England that was to culminate in the Battle of Otterburn on 19 August, in which he fought with distinction.

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