 Mary Borden (Mrs Spears) agreed to be in charge of the (largely British) female personnel – the nurses and drivers of Lady Hadfield's new field hospital with its 100 beds.Mary Spears was generally known as 'Madame la Générale' by the French – a reference to her husband's rank in the British army.The French military 'Service de Santé' agreed to provide the male staff for the medical unit, including doctors, orderlies and drivers for the unit's heavy trucks.