Complex sentence: Madeleine de Verchères (March 3,1678-August 8,1747) was the daughter of a seigneur in New France whose ingenuity is credited with thwarting a raid on Fort Vercheres.
Split into simpler sentences: Madeleine de Verchères (March 3,1678-August 8,1747) was the daughter of a seigneur in New France. Her ingenuity is credited with thwarting a raid on Fort Vercheres.