Kammala wannan jumlar: 'Yar Count Adelin Le Grelle da Rosalie de Swert, Countess Marie-Antoinette ita ce 'yar'uwar Cecilia Sarkozy, matar ta biyu na tsohon shugaban kasar Faransa Nicolas Sarkozy. A shekara ta 1944, a
'yanci na Antwerp, ta sadu da Keith MacLellan. Kamar sauran matasa na zamaninsa, an tilasta wa MacLellan ya dakatar da karatunsa a lokacin yakin kuma ya shiga Royal Montreal Regiment, wanda ya horar da shi, aka nada shi jami'in kuma aka tura shi zuwa Burtaniya, inda aka tura shi zuwa 1st Special Air Service (1st SAS). Ya zama ɗaya daga cikin 'yan Kanada biyu kawai da suka yi aiki a cikin 1st SAS a lokacin yakin. A wannan lokacin, yana cikin ƙananan rukunin da suke tafiya a cikin jeep da suke aiki a bayan layin abokan gaba a Belgium, Netherlands, Jamus, da kuma Norway. Bayan yakin, a ranar 11 ga Satumba, 1946, Marie-Antoinette ta auri Keith MacLellan yayin da yake dalibi a Oxford. Jakadan kasa a kasashe da yawa, MacLellan ya kasance jami'in diflomasiyyar Kanada wanda ya taimaka wajen tsara manufofin kasashen waje na Kanada bayan yakin kuma ya yi gwagwarmayar neman haɗin kan Kanada.