john died medieval served royal justice sheriff nominated credited legal treatise current form author work refers laws written years bishop death life son william royal justice elder styled records came family served justices legal officials occasionally younger appears records served constable october sent abroad matters pertaining king henry iii england henry son future served edward keeper prince wardrobe november prince steward late noted owing royal records debt implies canon point identify appear records point noted holding grant royal served royal justice king bench elected january consecrated june bishop winchester election longer served royal justice given leave continent meet edward returned crusade bishop attend edward coronation death legacy died given orders seize estate debts owed king debts dated years time sheriff thomas presumably relative canon probably owed office john number chronicles mention death note author legal treatise entitled surviving work called current form work discusses laws composed years death unclear credited work confusion real author fact author work later revised fact written french latin contains little information theory law concerned practical application laws points strongly author royal justice
John de Breton