Pierre was the son of unknown parents. The date and place of his birth have not been found.
His wife was Anne-Hélène d'Aigneaux de la Chesnée. They were married, but the date and place have not been found. Their five known children were Marie-Madeleine (1721-?), Hélène-Anne (1724-?), Marguerite-François (1724-?), Jacqueline (1725-?) and Guillaume (1726-?).