Two of his sons were killed in action in World War I, Brigadier-General Francis Earl Johnston and Corporal Johnston.
Francis Bacon | Francis I of France | Francis Ford Coppola | Pope Francis | Connie Francis | James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Herbert Kitchener, 1st Earl Kitchener | Francis I | Francis Poulenc | Francis of Assisi | Francis Drake | Earl | Richard Francis Burton | Frederick Roberts, 1st Earl Roberts | Earl of Derby | Earl Warren | Earl of Pembroke | Robert Harley, 1st Earl of Oxford and Earl Mortimer | Francis II, Holy Roman Emperor | Earl of Warwick | Thomas Wentworth, 1st Earl of Strafford | Francis | Edward Smith-Stanley, 14th Earl of Derby | Earl of Shrewsbury | William Pitt, 1st Earl of Chatham | Simon de Montfort, 6th Earl of Leicester | Francis Xavier | James Francis Edward Stuart |