The Brothers of Saint John of God, who had been in France since founded first the Charit de Paris in the faubourg Saint Germain, and then Charenton, which opened on May Not far from the capital, it was they again who set up the Charit de Senlis, which opened its doors on October A few years earlier, the Duchess of Bouillon had donated the buildings and revenues accruing from the leprosarium that had been founded by Thibaut de Champagne in Ch teau Thierry in the fourteenth century.