 Complete the following phrase:  Sir John de Wingfield d. circa 1361 of Wingfield Castle in Suffolk was chief administrator to Edward the Black Prince 1330-1376. He and both his brothers fought at Crécy in 1346. He fought in the Normandy campaign from 1347-48. He was appointed governor of the princes business in effect business-manager to Edward the Black Prince round about 1351. In 1356 Wingfield fought at 