When Pierre Balmas was born on 16 March 1773, in San Germano, San Germano Chisone, Torino, Piemonte, Italy, his father, Michel Balmas, was 49 and his mother, Marie Bertalot, was 34. He married Marguarite Marie Germanet on 2 May 1791, in San Germano, San Germano Chisone, Torino, Piemonte, Italy. They were the parents of at least 1 son and 1 daughter. He died on 15 January 1852, in Pomaretto, Torino, Piemonte, Italy, at the age of 78.