Margaret Robertson (died 1774) (1740–1774) Parents Duncan Robertson, 18th of Struan, 4th of Drumachuine and 14th Chief of Clan Donnachaidh May Marjorie Murray-Nairne Children Laurence Oliphant, 8th of Gask Marjorie Ann Mary Oliphant Charles Oliphant Margaret Euphemia Janet Charlotte Amelia Oliphant Carolina Nairne Amelia Anne Sophia Oliphant Siblings Alexander Robertson, 19th of Struan, 5th of Drumachuine and 15th Chief of Clan Donnachaidh Walter Philip Robertson Partners Laurence Oliphant, 7th of Gask