Charlotte Kerr (died 1866) (1811–1866) Parents Lord Mark Kerr Charlotte MacDonnell, Countess of Antrim Children George Montague Osborn Yotty Osborn Charlotte Frederica Caroline Osborn Emily Osborn Siblings Mark Kerr Sidney Kerr Hugh Seymour McDonnell, 4th Earl of Antrim Lady Emily Kerr Mark McDonnell, 5th Earl of Antrim William Kerr Lady Frederica Kerr Charles Fortescue Kerr, Viscount Dunluce Lady Georgina Kerr Lady Caroline Kerr Partners George Robert Osborn