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.
William Adelin William Ætheling (] ; 5 August 1103 – 25 November 1120), designated or titled Adelin (alternately rendered as "Adelinus", "Adelingus", "A(u)delin" or other Latinised Norman-French variants of "Ætheling"), was the son of Henry I of England by his wife Matilda of Scotland, and was thus heir apparent to the throne. His early death without issue caused a succession crisis, known in history as The Anarchy.