Lady Helen McDonnell (died 1922) (1844–1922) Parents Hugh Seymour McDonnell, 4th Earl of Antrim Lady Laura Parker Children Margaret Mac Gregor Sir Malcolm Mac Gregor of Mac Gregor, 5th Baronet Maryel Mac Gregor Malvina Mac Gregor Alexander Mac Gregor Partners Sir Malcolm Murray-Macgregor, 4th Baronet