3rd Rock from the Sun | Horatio Nelson, 1st Viscount Nelson | Viscount | Vickers Viscount | Bernard Montgomery, 1st Viscount Montgomery of Alamein | South Carolina's 3rd congressional district | William Howe, 5th Viscount Howe | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | viscount | Michigan's 3rd congressional district | Thomas Fairfax, 3rd Lord Fairfax of Cameron | Garnet Wolseley, 1st Viscount Wolseley | Colwyn Bay | 3rd United States Congress | Fernando Álvarez de Toledo, 3rd Duke of Alba | Charles Lyttelton, 10th Viscount Cobham | 3rd arrondissement of Marseille | William Slim, 1st Viscount Slim | Edmund Allenby, 1st Viscount Allenby | William Lamb, 2nd Viscount Melbourne | Julian Byng, 1st Viscount Byng of Vimy | Alan Brooke, 1st Viscount Alanbrooke | William Waldorf Astor, 1st Viscount Astor | James Bryce, 1st Viscount Bryce | Henry St John, 1st Viscount Bolingbroke | Henry John Temple, 3rd Viscount Palmerston | Edward Grey, 1st Viscount Grey of Fallodon | Charles Bathurst, 1st Viscount Bledisloe | Walter Runciman, 1st Viscount Runciman of Doxford | Viscount Falkland |
He was the only Conservative member of the Welsh National Assembly Advisory Group, and his work in relation to Welsh devolution was described by Dafydd Elis-Thomas (Welsh Assembly Presiding Officer) as "the most significant contribution of any Welsh Conservative politician to the cause of devolution; If Ron Davies was the architect of devolution, Colwyn was his enthusiastic draughtsman. His encouragement was unstinting".