Coventry Leet Book is in Late Medieval Books.
[24th July 1469] Lord Herbert (Earl of Pembroke) was taken in a battle by Banbury with Robin of Redesdale and his fellows on S. James' Eve (Jul 24) 1469, and was taken to Northampton, and there beheaded, and Lord Richard Herbert likewise with others.
Memorandum, quod dominnus Herbert fuit captus in bello juxta Banbery cum Robarto Ryddesdale & sociis suis in vigilia S. Jacobi apostoli, a. r. Edwardi ixo & fuit ductus ad villam de Northehampton & ibi erat decollatus, & dominus Ric. Herber similiter cum aliis.
On Aug. 12 [1469] in the same year Lord Rivers then Treasurer of England was beheaded at Gosford Green [Map], and Lord John Woodville, his son, likewise; they had been taken at Chepstow.
Item, xijo die Augusti eodem anno dominus le Revers tunc thesaurarius Anglie fuit decollattus apud Gosfordgrene & dominus Joh. Wodvyle, filius eius similiter, qui capti fuerunt apud Chapstowe.