Prydonian Chapter The Prydonian or Prydon Chapter ( PROSE : " Lungbarrow " ) was the most powerful of the original Chapter s on Gallifrey . It produced devious Time Lord s , and more than a few renegades , amongst them the Doctor and the Master . History . The Prydonian Chapter was named after the hero Prydonius . ( PROSE : " " ) Rassilon was the Grand Master of the Prydonian Chapter even before the Gallifreyan s became Time Lord s . ( COMIC : " Star Death " ) At the time , the Chapter was attacked by the Order of the Black Sun in its Question Hall . ( COMIC : " 4 - D War " ) Subsequently , more Time Lords from this chapter assumed the office of Lord President than all others put together . ( TV : " The Deadly Assassin " ) By the time of the Valeyard ' s trial , there had not been a non - Prydonian president for centuries . ( AUDIO : " Trial of the Valeyard " ) This Chapter greatly opposed the creation of the N - Forms . ( PROSE : " Damaged Goods " ) The House of Blyledge had senior members as part of this chapter . ( PROSE : " " , PROSE : " Cold Fusion " ) The Doctor and his Cousins belonged to the House of Lungbarrow . ( PROSE : " Lungbarrow " ) The Chapter was represented by an eponymous college in the Time Lord Academy ( PROSE : " The Ancestor Cell " ) Cousin Shuncucker burned through most of the records library ' s " Scarlet Chapterhouse " collection ; it contained the secret minutes of House Dvora . ( AUDIO : " A Labyrinth of Histories " ) Characteristics . Each Chapter had its own colours . The Prydonians had scarlet and orange ceremonial robes and were represented by an abstract symbol known as the Prydonian Seal . ( TV : " The Deadly Assassin " , " The Five Doctors " ) Prydonians were noted for their cunning . One could not take their eyes off them for a second . ( AUDIO : " Spring " ) Whilst they were known to be devious , it was believed that they were quite honest about this trait amongst their Chapter . ( PROSE : " Damaged Goods " ) Members of this chapter swore " Prydonian vows " ; it was thought that once a Prydonian had forsworn those vows and their " birthright " as a Prydonian , they would be especially dangerous . ( TV : " The Deadly Assassin " ) The Master once referred to the Prydonian Chapter as " hippie s . " ( AUDIO : " The Toy " ) Chancellor Djarshar had great disdain for the college , saying that the institution was comprised of " renegades , fugitives , lunatics and ingrates " . He went on to suggest that Prydonians " [ thought ] Gallifrey owed [ them ] everything . " ( PROSE : " The Ancestor Cell " ) Notable members . The Eighth Doctor clearly remembered being a Prydonian on Gallifrey in his youth . ( PROSE : " The Face - Eater " , " The Eight Doctors " ) The Fourth Doctor stole Prydonian robes to wear when he visited Gallifrey on a formal occasion , and he was acknowledged as Prydonian by Borusa and others . ( TV : " The Deadly Assassin " ) As Clara Oswald stated to the Cybermen , his Prydonian privileges were revoked after the First Doctor ' s theft of a TARDIS and subsequent departure from Gallifrey . ( TV : " Death in Heaven " ) Skagra noted that Romana was a part of the Prydonian Chapter . ( PROSE : " Shada " ) In her third body she had a tiny Prydonian seal on her left ankle . ( PROSE : " The Shadows of Avalon " ) Ragnar was a member of the High Council sub - committee that had oversight over the Temporal Scanning Service who also was a Prydonian . ( PROSE : " World Game " ) The Deca were all Prydonians . ( PROSE : " Divided Loyalties " ) The Magistrate and the Doctor were the first and second highest - ranking members of the Prydonian Chapter . ( PROSE : " The Infinity Doctors " )