Oswald Tesimond (1563 23 August 1636) was a Jesuit born in either Northumberland or York who, while not a direct conspirator, had some involvement in the Gunpowder Plot. He was educated in York, in the Royal school of William and Mary in the Horse Fayre, which cost no money to attend. Guy Fawkes. Edward Oldcorne and brothers Christopher and John Wright were among Tesimond's classmates, all of whom would become involved in the Gunpowder Plot. Tesimond was entered into the Society of Jesus in 1584, but not before he left the English College in Rome, into which he had been first initiated; to leave the College and come into the Society, he required special permission from the cardinal protector (who was Giovanni Morone, at the time), which he successfully obtained.