Holy Roman Emperor, King of Germany, and Jerusalem Frederick II … 1194–1250 | | | | John of Brienne … King of Jerusalem 1148–1237 Marie … de Montferrat 1191–1212 |
| | | Henry VI … Holy Roman Emperor, King of Sicily 1165–1197 Constance … of Sicily 1146–1198 | | | | Frederick I … Holy Roman Emperor, King of Germany & Italy …–… | | | | Frederick II of Hohenstaufen … Duke of Swabia …–… | | |
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