The Nicholas who was the young heir of Richard de Dupedene in 1316 could be the Nichalas who held the Depedene land in 1346 (Feudal Aids) and who is mentioned in a Patent Roll entry in 1358.
"1358 April 6. Westminster. Grant to Robert de Hunston and Henry Bagge of pontage from this date until five years from Michaelmas on things for sale passing over or under the bridge of Rudbrigge, to be applied in the repair of that bridge by the supervision and disposition of Nicholas de Depeden; it having been found by inquisition that the bridge is in a dangerous state and that there is no one bound of right to repair the same. By K. & C." [Calendar of Patent Rolls, Edward III, Vol. 11, p. 29]