[2] In 1383 he was indicted in Surrey for his role in the murder of Richard Eyre, a fellow Cornishman whose family had a long-standing feud with the Trevarthians.
[2] He landed at Dalkey, near Dublin, in late September,[4] and was still in office in March 1386, when the Close Rolls refer to a payment of £20 to him as his half years salary.
Peter Trelewhit had accused William Eyre and Ralph Treskulard of intending to murder John Penros.
Before a panel of judges that included the Lord Chancellor, the Keeper of the Privy Seal and Chief Baron of the Exchequer, Trelewhit confessed to making the accusation after being incited into doing so by Penros.
[2] He was a trier of petitions in the House of Commons in 1394,[3] but was eventually removed from the Bench on the ground of his record as a notorious criminal (meanwhile the career of his accomplice Sir John Trevarthian junior was flourishing).