Claim: Vincent de Ternant received the plantation grounds in a French land grant and developed the 10,000 acres (40 km²) into an active plantation (which was added to NRHP in 1970) facing False River; but when de Ternant's son Claude inherited the plantation, he changed the cash crop from indigo to sugarcane and cotton.
Evidence: Vincent de Ternant, known as the Marquis of Dansville-sur-Meuse, received the plantation grounds in a French land grant and developed the 10,000 acres (40 km²) into an active plantation facing False River. April 15, 1970 When de Ternant's son Claude inherited the plantation, he changed the cash crop from indigo to sugarcane and cotton.