Lancelot Carnegie British diplomat (1861–1933) Parents Lady Susan Murray James Carnegie, 9th Earl of Southesk Children Mariota Carnegie Dorothea Helena Carnegie James Carnegie Siblings Lady Elizabeth Carnegie Robert Carnegie Lady Dora Carnegie Lady Katharine Carnegie David Carnegie Lady Helena Carnegie Lady Constance Mary Carnegie Lady Beatrice Carnegie Arabella Romilly Charles Carnegie, 10th Earl of Southesk Partners Marion Barclay