David Ian Rollo (1921-1981) (1921–1981) Parents John Eric Henry Rollo, 12th Lord Rollo of Duncrub Helen Maud Chetwynd-Stapylton Children Hamish Rollo Siblings Simon David Rollo Eric Rollo Norman Chetwynd Rollo Jean Helen Rollo John Dunning Rollo Partners Bridget Mary Stirling