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In page Yvonne de Gaulle:

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They were engaged on 11 November, before the end of Captain de Gaulle's leave, and married on 7 April 1921 in the church of Notre-Dame de Calais. De Gaulle played on Yvonne's family business when he expressed his joy on the occasion, writing to a friend, "I am marrying the biscuits of Vendroux."[citation needed]