Sir David Hay of Lochorwart and Yester Peerage person ID=108223 (1394–1460) Parents Sir William Hay of Lochorwart and Yester Alice de la Haye Children John Hay, 1st Lord Hay of Yester Siblings Janet Hay Alice Hay Sir Thomas Hay of Lochorwart and Yester Edmund Hay of Tala Margaret Hay Elizabeth Hay Partners Lady Elizabeth Douglas