Isabel St. John-Mildmay (died 1950) (d. 1950) Parents Charles Arundell St. John Mildmay Harriet Neville-Grenville Children Peter Shaw-Lefevre-St. John-Mildmay Helena Shaw-Lefevre-St. John-Mildmay Sir Anthony St. John-Mildmay, 8th Baronet Siblings Meriel St. John-Mildmay Humphrey St. John-Mildmay George St. John-Mildmay Arundell St. John-Mildmay Charlotte St. John-Mildmay Walter St. John-Mildmay Paulet St. John-Mildmay Sir Aubrey St. John-Mildmay, 10th Baronet Wyndham St. John-Mildmay Partners Sir Gerald Shaw-Lefevre-St. John-Mildmay, 7th Baronet