For Richarde the Duke of Gloucester, by nature theyr Uncle, by office theire protectoure, to theire father beholden, to them selfe by othe and allegyaunce bownden, al the bandes broken that binden manne and manne together, withoute anye respecte of Godde or the worlde, unnaturallye contriued to bereue them, not onelye their dignitie, but also their liues. But forasmuche as this Dukes demeanoure ministreth in effecte all the whole matter whereof this booke shall entreate, it is therefore conueniente, sommewhat to shewe you ere we farther goe, what maner of manne this was, that could fynde in his hearte, so muche mischiefe to conceiue.