William d'Ecouis

William d'Ecouis (sometimes referred to as William de Schoies) was an early [[Anglo-Norman baron, who is mentioned in the Domesday Book of 1086 as a substantial holder of land and manors.

Middleton castle was founded by William d'Ecouis. It was a motte-and-bailey fortress which was thought to be constructed from timber. The large motte is surrounded by a wide ditch. Middleton Castle is located in the Middleton village centre,Station Road. 5 miles north-east of King's Lynn, on the A47.

...
Wikipedia