Commr. of inquiry, Cornw. July 1387 (escheat of ‘Cowyswork’ tin mine), Som., Devon, Cornw., Glos. July 1398 (value of Sir John Wellington’s estates), Cornw. May 1402 (sedition), July 1404, Devon, Cornw. June 1406 (concealments), Cornw. July 1407 (piracy), Feb. 1408 (ownership of Bodannan), Devon, Cornw. Nov. 1409, Nov. 1410, Sept. 1413 (ransoms of English prisoners in Brittany), Apr. 1410 (wastes at St. Michael’s Mount priory); to execute the statutes relating to mills and weirs, Cornw. June 1398; of array Aug., Sept. 1403, Nov. 1405; to raise loans, Devon, Cornw. June 1406; of oyer and terminer, Cornw. July 1409.
J.p. Cornw. 20 Feb. 1397-c.1416.
Justice of assize, Penryn Mar. 1403.
Controller of a tax, Cornw. Mar. 1404.
TREWYTHENICK, Roger (-d. ?.1415)