John Buchanan Muir (1876-1956) (1876–1956) Parents Margaret Morrison Kay John Muir Children Diana Heather Muir Marguerite Judith Muir Bettine Clara Muir Siblings Matthew William Muir Elizabeth Brown Muir James Finlay Muir Sir Alexander Kay Muir, 2nd Baronet Agnes Bunten Muir Edith Mary Kay Muir Catherine Hetherington Muir Margaret Anne Kay Muir Jean Miller Muir Partners Agnes Heather Gardiner Muir