528. [1220-1] Grant and sale by Gilbert de Waleton to Master Alexander de Dorchester {Dorset?} of all the land and houses which the grantor had from Geoffrey de Mandavilla [in 527] at the corner of Ysmongerislane; gersuma 20 marks of silver; witnesses, Serlo the Mercer, mayor, William son of Benet, alderman, Richard Renger, Joce Junior, sheriffs.