Complex sentence: The Norman invasions of the 10th-century left the church in ruins and in 1108 it was gifted to the Benedictine Abbey of Saint-Martin de Marmoutier in Touraine and they converted the church into a priory.
Split into simpler sentences: The Norman invasions of the 10th-century left the church in ruins. In 1108 it was gifted to the Benedictine Abbey of Saint-Martin de Marmoutier in Touraine who converted the church into a priory.