Debach is a small village about four miles northwest of Woodbridge, Suffolk, UK. At the time of the Domesday Book, 1086, it was called Debenbeis or Debeis, Depebecs, Debec or Debes and located in the Hundred of Wilford. The book lists the landowners there at that time as Count Alan, Roger Bigot - the Sheriff of Norfolk and Suffolk, and Sturstan son of Widdow and Roger de Poitou from him, The Bishop of Bayeux, William de Warenne, Geoffrey de Mandeville and Ranulph Peveril.