Jacques Hardouin-Mansart de Sagonne


Jacques Hardouin-Mansart de Sagonne was a French architect. He was the illegitimate son of Jacques Hardouin-Mansart, comte de Sagonne, by his mistress Madeleine Duguesny - Jacques and Madeleine married in 1726. Jacques junior's elder brother was the architect Jean Mansart de Jouy, whilst he was also the grandson of Jules Hardouin-Mansart, great-great-great nephew of François Mansart and great-nephew of Robert de Cotte.