James Haldane (1903-1990) (1903–1990) Parents Herbert William Haldane Helen Rachel Alston Children Angela Margaret Haldane Rachel Alison Haldane James Martin Haldane, 26th of Gleneagles Robert Mungo John Haldane Siblings Margaret Emily Haldane Herbert John Haldane Helen Gertrude Frances Haldane Partners Joanna Margaret Thorburn