Family: Frederick II Emperor Germany / Isabel Empress Germany (F2027)
m. 20 Jul 1235Henry Vi, Emperor Germany (1165-1197) 
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Constania of Sicily (1167-1198) |
| Frederick II (1169- ) |
| John I King of England (1167-1216)
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| Isabella of Angouleme, (Taillefer) Queen (1188-1246)
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Henry III King England (1207-1272)  |
| Richard Earl of Cornwal England (1209-1272) |
| Joane Princess England (1210-1238) |
| Eleanor Princess England (1215-1275) |
| Frederick II Emperor Germany (1194-1250)
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| Isabel Empress Germany (1214-1241)
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| Jordanus Jordan Prince Germany (1236-1236) |
| Agnes Princess of Germany (1237-1237) |
| Henry Prince of Germany (1238-1254) |
| Margaret Princess of Germany (1241-1270) |