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This book was published in 1825. It contains transcripts of letters and sonnets allegedly written by Mary Queen of Scots to James Hepburn, Earl of Bothwell. These are known as the ‘Casket Letters’, as they were found in a silver casket. The book also includes essays and discussions on the letters by various authors from the 16th – 18th centuries.

The Casket Letters were used against Mary. Those opposed to her claimed they contained evidence that she and Bothwell planned the murder of her second husband, Lord Darnley. Darnley was killed under mysterious circumstances and three months later Mary and Bothwell married. It was accepted at the time that Bothwell was responsible for Darnley’s murder. In one of the Casket Letters, written before Darnley’s death, Mary had agreed to marry Bothwell. This would suggest she was aware of the murder plot. However, many believe the letters were forged to frame Mary. It is possible that Mary was abducted by Bothwell and forced into marrying him and had no part in his scheming. The lack of reliable sources and blurring of history means we may never know the true story.

Whether real or not, the discovery of the letters led to Mary being imprisoned by Scottish rebels who opposed her reign. She was forced to abdicate the throne. Her son was crowned James VI of Scotland on 29th July 1567, just after his first birthday.

Dumbarton Castle

Dumbarton Castle guards the point where the River Leven joins the River Clyde. Its recorded history goes back 1,500 years.

Back then, the place was known as Alt Clut (‘Rock of the Clyde’). Later it became known by the Gaelic name Dun Breatann (‘Fortress of the Britons’) from which the name Dumbarton is derived.

In the 1220s, the castle was a border stronghold – the Norwegian frontier lay just 10 miles downriver. The Treaty of Perth (1266) gave control of the Western Isles to the Scottish Crown, removing the threat from Norway – but an even greater menace from England soon replaced it.

Dumbarton was an important royal castle in the Middle Ages. In later centuries, Dumbarton Rock became a mighty garrison fortress, its defences packed with guns. It last saw military action as recently as the Second World War.

Citadel of the Dark Ages

Dumbarton Rock was a mighty stronghold in the Dark Ages. Waters swirl around the base of the volcanic rock, which rises almost vertical into the sky. From its twin peaks – White Tower Crag and the Beak – you can see for many miles.

Dumbarton was a great fortress and the capital of a kingdom that covered the area now known as Strathclyde.

The Rock was besieged several times. The assault by Viking kings Olaf and Ivar of Dublin in 870 was by far the worst. The pair carried off slaves and looted treasure in 200 longships following a four-month siege.

Medieval castle

Alexander II of Scotland built the medieval castle around 1220 as a defence against the threat from Norway, whose kings ruled the Hebrides and the islands in the Clyde.

In 1305, Sir John Menteith, keeper of Dumbarton Castle, caught Sir William Wallace and handed him over to the English for trial and execution.

The castle’s location away from Scotland’s political heartland lessened its importance somewhat. But it also made Dumbarton a good back door through which her rulers could come and go with relative ease. It sheltered David II (in 1333–4) and Mary Queen of Scots (in 1548) until ships could take them to France and safety.

Garrison fortress

When Mary returned to Scotland in 1561, to begin her personal reign, she landed at Leith. Dumbarton’s long and distinguished role as ‘gateway’ was over, but it remained a garrison fortress.

Substantial new artillery fortifications built in the 1600s and 1700s are what visitors see today. Nothing visible survives from the Dark Ages fortress, and precious little from the medieval castle.

Natural history

The castle rock:

  • was formed some 340 million years ago
  • displays some fine geological features of volcanic and glacial activity
Find out more about Dumbarton Castle

Details

Date Made
1825
Dimensions
220 x 142 x 30mm
Property Information
Dumbarton Castle
Object Number
DUM670
Access Status
Storage

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