Maria Constance Georgiana McMahon (died 1847) (d. 1847) Parents Sir Beresford Burston McMahon, 2nd Bt. Maria Catherine Bateson Children Siblings Frances Thomasine McMahon Catherine Charlotte McMahon Robert Bateson McMahon Sir William Samuel McMahon, 3rd Bt. Nina Gertrude McMahon Beresford Burston McMahon Gerald Charles McMahon Sir Lionel McMahon, 4th Bt.