He was the only archbishop of Petra from the Crusader period and its only Latin Rite bishop from the Middle Ages .
Guerricus ( or Guerric ) was the metropolitan archbishop of Petra from 1167 or 1168 until his death at the Siege of Acre in 1190 or 1191 .
Guerricus was the only archbishop of Petra from the Crusader period and its only Latin Rite bishop from the Middle Ages .
Guerricus ( or Guerric ) was the metropolitan archbishop of Petra from 1167 or 1168 until his death at the Siege of Acre in 1190 or 1191 .