Number 18:The Duke of this (a title once held by Richard III)
[DOC] [TLE] Richard III Society | RICHARD III | HIS LIFE [PAR] York, a cousin to the reigning King Henry VI, held senior government ... On 16 
June the young king's brother, Richard, Duke of York left sanctuary in ... Once 
Richard was crowned and his nephews bastardised, the young princes ... 
Richard III owned a number of such books and it appears he accepted the writers' 
teachings.