Mary Alice Grey (born 1899) (b. 1899) Parents Catherine Payne Sir Henry Foley Grey, 7th Baronet Children John David O'Brien Audrey Mary O'Brien Gerald Patrick O'Brien Siblings Joan Cecil Grey Sir John Foley Grey, 8th Baronet Phyllis Kathleen Grey Dorothy Catherine Grey Geraldine Ida Grey Partners Sir David Edmond O'Brien, 6th Bt.