This John Calle of Framlingham Castle, as he is sometimes designated, was among other things a Grocer in Framingham, Suffolk, England.
http://web.ics.purdue.edu/~ohlgren/RobinHood/Paston.htm Richard Call, the Pastons, and the Manuscript Context of Robin Hood and the Potter (Cambridge, University Library Ee.4.35.1) Thomas H. Ohlgren with an Appendix by Lister M. Matheson