A summary of The Lords of Watford Manor and estate [1]:
Joan de Watford (1235 - ?) She married William Parles of Watford (1230 - ?) They had one son: John Parles (1265-?).
John Parles (1265 -?) was born at Thurleigh Castle in Bedfordshire. It was a medieval timber, motte-and-bailey, castle, but only earthworks survive today. John Parles married Eleanor (Details unknown) at a date unknown. John held one fouth of the Watford estate. In 1316 Eustace V de Burnaby and John Parles were the Lords of Watford. After John died, his widow; Eleanor, held one fourth of the Manor as her dower, and when she died in 1345 this part of the Manor descended to their son; Walter Parles (1309 - 1362).
[1] The Lords of Watford Manor and estate, [URL].