Tags: Christian Bishop.
John Trevor (Welsh Ieuan Trefor) (died April 10 1410) or John Trevaur was Bishop of St. Asaph in Wales before becoming nominal Bishop of St Andrews in Scotland. He was provided to the see of St Asaph on October 21 1394. He was translated to St Andrews in 1408. As Bishop of St. Andrews he was an anti-Bishop and never took possession of the see.