John de Wingfield
Sir John de Wingfield (died c. 1361) of Wingfield Castle in Wingfield, Suffolk was born to John and Elizabeth de Wingfield. Sir John was educated as an attorney, later becoming chief administrator to Edward the Black Prince (1330-1376). He was also Attorney general and Chief of staff of Joan of Bar, Countess of Surrey, granddaughter of Edward I of England. This post was taken over by Sir John's brother, Sir Thomas, in 1357.