THE NORMANS.
TANCRED OF HAUTEVILLE.
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+—Robert Guiscard, Duke of Apulia, d. 1085.
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| SICILY
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+—ROGER, the Great Count, d. 1101
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+—Roger (of Apulia, 1127; king, 1130), 1101-1154.
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+—WILLIAM I the Bad, 1154-1166,
| m. Margaret, daughter of Garcia IV of Navarre.
| |
| +—WILLIAM II the Good, 1166-1189,
| m. Joanna, daughter of Henry II of England.
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+—CONSTANCE (d. 1198),
m. Emperor Henry VI.