More may be added to the earlier biography.3 The Commons 1386-1421, iv. 642-3.
During the period of his membership of the Cornish bench, Tregonan appears to have been assiduous in his duties at the sessions of the peace.4 C.J. Tyldesley, ‘Crown and Local Communities in Devon and Cornw. 1377-1422’ (Univ. of Exeter Ph.D. thesis, 1979), 74; KB27/646, rex rot. 8. His long association with the powerful Arundells of Lanherne, the Bodrugans and other influential Cornish gentry aside,5 C146/1119; Cornw. RO, Arundell mss, AR1/264, AR21/3; Edgcombe mss, ME74-77, 614, 1387; Whitfords of St. Columb Major mss, WH1/951. he also maintained close contacts among the townsmen of Bodmin, whom he represented in seven Parliaments, and frequently acted for them in their property transactions and lawsuits.6 C1/5/126; Arundell mss, AR1/352, 484.
In 1427 Tregonan joined the widow and sons of Richard Trevanion† as an executor of the former county coroner’s will.7 CP40/670, rot. 284d.