A Life Forged in Resilience and the American Frontier The story of Percival Leonard Rosseau is one of profound transformation, beginning amidst the tragic echoes of the American Civil War. Born on September 21, 1859, in Pointe Coupé Parish, Louisiana, Rosseau’s early years were shadowed by the devastation of conflict. The loss of his father and two older brothers to the war left him and his sister orphaned, a period of vulnerability t…