Sentence:  The agitation thus begun by Hooper, which received in1551 the 'support of Peter Martyr and Martin Bucer, foreign divines who had become <WSD>Regius professors</WSD> of divinity at Oxford and Cambridge, finally enlisted the sympathy of the young king, who probably gave the weight of his personal authority to a revision the history of whose making is not recorded. 
Meaning of the word marked with <WSD> tags:  (rare) (regius professor)