 Within an hour of Parliament being prorogued at the end of the month, the King had signed a warrant to the governor of the Tower ordering that Trelawny and Langdon should be released, and committing the Crown to paying the costs of their imprisonment; and, four days later, on 1 July 1628, not only was a baronetcy bestowed on Trelawny but the fees that were ordinarily payable on such an occasion were remitted.Sir John distinguished himself on the Royalist side in the English Civil War fighting alongside Sir Ralph Hopton and Sir Reginald Mohun of Boconnoc, his friend and father-in-law.He married Elizabeth Mohun (b.