Athenais de Mortemart (born 1935) (b. 1935) Parents Louis-Victor de Rochechouart de Mortemart, Duc de Vivonne Solange d'Harcourt Children Lady Caroline St Clair-Erskine Peter St Clair-Erskine, 7th Earl of Rosslyn Siblings Charles-Louis de Rochechouart de Mortemart, Comte de Mortemart Partners Robert Drummond Anthony St Clair-Erskine, 6th Earl of Rosslyn