Margaret Osla, Lady Henniker-Major (née Benning; 23 August 1921 – 29 October 1974) was a Canadian debutante, who worked at Bletchley Park, was Prince Philip's first girlfriend, and later married Sir John Henniker-Major (who became the 8th Baron Henniker after her death). == Early life == Osla Benning was born in Montreal, Quebec, Canada, on 23 August 1921, the daughter of Edith Black and James William Benning, and the goddaughter of Lord Louis Mountbatten.
Margaret Osla, Lady Henniker-Major (née Benning; 23 August 1921 – 29 October 1974) was a Canadian debutante, who worked at Bletchley Park, was Prince Philip's first girlfriend, and later married Sir John Henniker-Major (who became the 8th Baron Henniker after her death). == Early life == Osla Benning was born in Montreal, Quebec, Canada, on 23 August 1921, the daughter of Edith Black and James William Benning, and the goddaughter of Lord Louis Mountbatten.
Source: Wikipedia "Osla Benning" · CC BY-SA 4.0
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