It is also evident that Baret and Commerson shared a more personal relationship, as Baret became pregnant in 1764. French law at that time required women who became pregnant out of wedlock to obtain a "certificate of pregnancy" in which they could name the father of their unborn child. Baret's certificate, from August 1764, survives; it was filed in a town away and witnessed by two men of substance who likewise had travelled a considerable distance from their homes. She refused to name the father of her child, but historians do not doubt that it was Commerson and that it was Commerson who had also made the arrangements with the lawyer and witnesses on her behalf.