Mold Castle was erected under instructions from the Earl also known by what name?
Mold Castle Mold Castle (Welsh: "Castell yr Wyddgrug" ), on Bailey Hill in the town of Mold, Flintshire, Northeast Wales, is a motte-and-bailey castle erected around 1072, probably by the Norman Robert de Montalt under instructions from Hugh d'Avranches, Earl of Chester. Little remains except the mound on which the motte was built. It stands close to the 15th-century parish church, St Mary's Church near the centre of the town.
Roger de Montgomerie, 1st Earl of Shrewsbury Roger de Montgomerie (died 1094), also known as Roger the Great de Montgomery, was the first Earl of Shrewsbury, and Earl of Arundel, Sussex. His father was Roger de Montgomery, seigneur of Montgomery, and was a relative, probably a grandnephew, of the Duchess Gunnor, wife of Duke Richard I of Normandy. The elder Roger had large holdings in central Normandy, chiefly in the valley of the Dives, which the younger Roger inherited.