3rd Rock from the Sun | South Carolina's 3rd congressional district | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | Michigan's 3rd congressional district | Marquis de Sade | Thomas Fairfax, 3rd Lord Fairfax of Cameron | 3rd United States Congress | Marquis de Lafayette | Fernando Henrique Cardoso | Fernando Álvarez de Toledo, 3rd Duke of Alba | 3rd arrondissement of Marseille | Gilbert du Motier, marquis de Lafayette | Henry John Temple, 3rd Viscount Palmerston | Thomas Radclyffe, 3rd Earl of Sussex | Richard of York, 3rd Duke of York | John Stuart, 3rd Earl of Bute | Gilbert du Motier, Marquis de Lafayette | Alabama's 3rd congressional district | 3rd Battalion | William Cavendish-Bentinck, 3rd Duke of Portland | Sir Frederick Pollock, 3rd Baronet | Marquis de St Ruth | Georgia's 3rd congressional district | Wisconsin's 3rd congressional district | Washington's 3rd congressional district | Sir Jonathan Trelawny, 3rd Baronet | Richard Sackville, 3rd Earl of Dorset | Jason Marquis | Henry Holroyd, 3rd Earl of Sheffield | California's 3rd State Assembly district |
He was ambassador to Madrid, in 1785, where he was in charge of negotiating treaties marriage between Infante João of Portrugal to Carlota Joaquina of Spain and Infanta Mariana Victoria of Portugal and Infante Gabriel of Spain.