Pedro Piernas | |
|---|---|
| 2nd Commandant of Upper Louisiana | |
| In office 1768–? | |
| Preceded by | Francisco Rui |
| Succeeded by | Louis Saint-Ange de Bellerive |
| 1st Lieutenant Governor of Upper Louisiana | |
| In office 1770–1775 | |
| Succeeded by | Francisco Cruzat |
| Personal details | |
| Born | Unknown |
| Died | Unknown |
| Profession | Soldier, lieutenant governor of Illinois and commander of St. Louis |
Pedro Joseph Piernas was a Spanish military official who rose to the rank of commandant in 1768 and served as Lieutenant governor of Illinois between 1770 and 1775.