Spencer Tracy | Horatio Nelson, 1st Viscount Nelson | Viscount | Vickers Viscount | Bernard Montgomery, 1st Viscount Montgomery of Alamein | William Howe, 5th Viscount Howe | viscount | Garnet Wolseley, 1st Viscount Wolseley | Tracy Chapman | Charles Lyttelton, 10th Viscount Cobham | William Slim, 1st Viscount Slim | Tracy Hickman | Edmund Allenby, 1st Viscount Allenby | Dick Tracy | William Lamb, 2nd Viscount Melbourne | Tracy Morgan | Tracy Lawrence | Julian Byng, 1st Viscount Byng of Vimy | Cyclone Tracy | Alan Brooke, 1st Viscount Alanbrooke | William Waldorf Astor, 1st Viscount Astor | Tracy Jordan | 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 | Samuel Hood, 1st Viscount Hood |
Atkyns was the third son of John Tracy, of Stanway, Gloucestershire, and great-grandson of the third Viscount Tracy, of Toddington.
Hanbury-Tracy was born at Toddington, Gloucestershire, a younger son of Charles Hanbury-Tracy, 1st Baron Sudeley, by the Honourable Henrietta Susanna, only child and heiress of Henry Tracy, 8th Viscount Tracy.