Pierre Guillaume du Fay de Lavallaz
- Born on May 28, 1628
- Deceased on June 27, 1710 in Monthey, at the age of 82 years
Parents
- Jean Gaspard du Fay de Lavallaz (1594 - 1654)
- Annilia Jost (c. 1594 - )
Family
- Married on February 4, 1662 in Saint-Maurice, with Sarah Marie Péronne de Preux (1643 - ), issuing
Marie Cécile (1658 - 1695)- Pierre François Marie (1661 - 1710)
- Jean Gaspard (1664 - 1742)
- Anne Catherine (1675 - )
- Jean Gabriel (1682 - )