Prior to Now family trees centre
Family: Petty, Gen William 1st Marquess of Lansdowne KG PC + FitzPatrick, Lady Louisa Marchioness of Lansdowne (F6910)
m. Jul 1779Suggest a change: Family: Petty, Gen William 1st Marquess of Lansdowne KG PC + FitzPatrick, Lady Louisa Marchioness of Lansdowne (F6910)