Lady Mary Campbell died 1725; daughter of John Campbell, 1st Earl of Breadalbane and Holland, and Mildred Littler (d. 1725) Parents Mildred Littler John Campbell, 1st Earl of Breadalbane and Holland Children Harriet Cockburn Sir Alexander Cockburn, 7th Baronet Siblings Duncan Campbell, Lord Ormelie John Campbell, 2nd Earl of Breadalbane and Holland Colin Campbell Partners Sir Archibald Cockburn