 It was only after he was promoted to the position of assistant inspector-general at a Scottish barracks that the pair were married on 2 June 1806.The couple settled in Edinburgh, where their only son, also named William Murray Nairne (1808–1837), was born two years later.He was a sickly child and, following her husband's death in 1830, Lady Nairne lived with her son in Ireland and on the continent.