49°27'30.4"N 1°17'37.9"E Martainville Castle, locally known as Château de Martainville, lies in the village of Martainville-Épreville, in the Seine-Maritime department in France. Martainville Castle was built between 1495 and 1505 by Jacques Le Pelletier, a shipowner and merchant from a rich upper-middle class family from Rouen. The castle never served a defensive purpose but was intended and used as a manor house.