Chauvelin's exact marital status, and whether or not he has other children, is unknown. However, Orczy reveals that Chauvelin has a more human side and fills in some background details - among other things, mentioning his first name, Armand, for the only time in the series - in the novel Sir Percy Hits Back which features his daughter, Fleurette.
Chauvelin's personal circumstances, specifically his marital status and potential children, are unknown. Nevertheless, Orczy sheds light on Chauvelin's more human qualities and supplies some background information, including his first name, Armand, in the novel Sir Percy Hits Back, which explores his daughter, Fleurette.