- b.1175 in Palermo, Sicily d.1194 in Palermo, Sicily
- b.1194 in Palermo, Sicily d.1232 in Messina, Sicily
- b.1174 in Constantinople, Turkey d.27 Aug 1208 in Bamberg, Bavaria, Germany
- b.1235 in Rome, Italy d.1270 in London, Eng
- b.1260 in Italy d.1330 in London, Eng
- b.~ 1280
- b.~ 1335