Louis I, Prince of Monaco
(Monaco July 25 1642
– Rome January 3 1701
) was Prince of Monaco
from 1662 until 1701.
He was a son of prince Hercule of Monaco and Aurelia Spinola.
He succeeded his grandfather Honoré II as Prince of Monaco in 1662.
Louis married March 30 1660 in Pau Catherine-Charlotte de Gramont (1639 – Paris June 4 1678), daughter of Marshal Antoine III de Gramont.
They had six children :