Sophia Pilkington noblewoman; wife of Jonathan Mark Pilkington; daughter of 9th Marquess of Londonderry (1959-) (b. 1959) Parents Nicolette Vane-Tempest-Stewart, Marchioness of Londonderry Alistair Vane-Tempest-Stewart, 9th Marquess of Londonderry Children Allegra Pilkington Hermione Pilkington Siblings Frederick Vane-Tempest-Stewart, 10th Marquess of Londonderry Cosima Vane-Tempest-Stewart Tristan Alexander Powell James Michael Powell Lord Reginald Vane-Tempest-Stewart Partners Jonathan Mark Pilkington