Nora Barlow British botanist and geneticist (1885-1989) (1885–1989) Parents Ida Darwin Horace Darwin Children Erasmus Darwin Barlow Joan Helen Barlow Horace Barlow Sir Thomas Barlow, 3rd Baronet Hilda Horatia Barlow Andrew Dalmahoy Barlow Siblings Ruth Darwin Erasmus Darwin IV Partners Sir Alan Barlow, 2nd Baronet