Mary Rollo Peerage person ID=349256 (d. 1765) Parents Andrew Rollo, 6th of Duncrub Children Laurence Oliphant, 1st of Gask Siblings Marjory Rollo Peter Rollo James Rollo, 8th of Duncrub Sir Walter Rollo of Pitmeady George Rollo, 7th of Duncrub Partners Laurence Oliphant of Newton and of Thrumster