Lucy Courtenay (1770-1822) (1770–1822) Parents Frances Clack William Courtenay, 2nd Viscount Courtenay Children Lady Lucy Harriet Vaughan William Malet Vaughan Ernest Vaughan, 4th Earl of Lisburne John Shafto Vaughan George Lawrence Vaughan John Wilmot Courtenay Vaughan Siblings Harriet Courtenay Amelia Courtenay Charlotte Courtenay Matilda Jane Courtenay Eleanor Courtenay Louisa Augusta Courtenay William Courtenay, 9th Earl of Devon Caroline Eustatia Courtenay Elizabeth Courtenay Sophia Courtenay Isabella Courtenay Frances Courtenay Anne Courtenay Partners John Vaughan, 3rd Earl of Lisburne