Family: Frederick II, Holy Roman Emperor, King of Germany, Italy, Burgundy, and Sicily / Isabella Plantagenet

Maternal line Frederick II, Holy Roman Emperor, King of Germany, Italy, Burgundy, and Sicily

No parents are registered.

Maternal line Isabella Plantagenet
Isabella DeTaillefer (maid. name 1) 1188 - 1246  (58 years)	_	JOHN I (KING OF ENGLAND) Plantagenet 1166 - 1216  (49 years)
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Beatrice (Countess de Provence) de Savoie 1198 - 1267  (69 years)	_	Raimond Berenger, Count of Provence (maid. name IV) 1197 - 1245  (48 years)
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Beatrix Margarete Nicole (Countess de Savoie, Provence) de Genèva-Faucigny 1180 - 1236  (~ 56 years)	_	Thomas I de Savoie 1177 - 1233  (55 years)
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Beatrix (Countess de Genèva) de Faucigny 1143 - 1230  (~ 87 years)	_	Guillaume I (Count de Faucigny) de Genèva 1132 - 1195  (~ 63 years)