historical mystery english regular size sir john cranston coroner of the city john gaunt brother athelstan london guildhall death henchmen great community realm thomas fitzroy ira dei cloak theobald de troyes bremmer guildmaster drapers lady domina maude archers royal dagger tutor lord adam clifford nicholas hussey arbour benedicta southwark knights levies st erconwald sacristy asperges cheapside master sturmey