Isobel Hester Drummond (1860-1945) (1860–1945) Parents Susan Caroline Drummond Harvey Drummond Children Dorothea Marion Bowes-Lyon Ernestine Bowes-Lyon Susan Frances Bowes-Lyon Joan Bowes-Lyon Hubert Ernest Bowes-Lyon Marjorie Effie Bowes-Lyon Siblings Susan Horatia Drummond Archibald Spencer Drummond Katherine Georgina Drummond Malcolm Hugh Drummond Allan Harvey Drummond Partners Ernest Bowes-Lyon