Nicolette Vane-Tempest-Stewart, Marchioness of Londonderry British noblewoman (1941-1993) (1941–1993) Parents Maria Madeleine Benita von Koskull Michael Harrison Children Tristan Alexander Powell James Michael Powell Cosima Vane-Tempest-Stewart Sophia Pilkington Partners Alistair Vane-Tempest-Stewart, 9th Marquess of Londonderry Georgie Fame