Mark McDonnell, 5th Earl of Antrim (1814-1869) (1814–1869) Parents Charlotte MacDonnell, Countess of Antrim Lord Mark Kerr Children Hugh McDonnell Mark McDonnell Lady Caroline McDonnell Schomberg Kerr McDonnell Alexander McDonnell Lady Evelyn McDonnell Lady Jane McDonnell Lady Mabel McDonnell William McDonnell, 6th Earl of Antrim Lady Helena McDonnell Siblings Sidney Kerr Mark Kerr Hugh Seymour McDonnell, 4th Earl of Antrim Lady Emily Kerr William Kerr Charlotte Kerr Lady Frederica Kerr Charles Fortescue Kerr, Viscount Dunluce Lady Georgina Kerr Lady Caroline Kerr Partners Jane Macan