Early life
{{Unsourced, section, date=January 2023 He was the eldest son of Robert, fourthJacobite supporter
On reaching the age of 21, in 1697, and becoming earl, William secretly visited the Jacobite court at Saint-Germain to give his allegiance to the exiled KingIn literature
The story of the Earl of Nithsdale's escape from the Tower of London inspiredReferences
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