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Birth Date (Calculated): 348 A.H., 959

Death Date: 417 A.H., 1026

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Father
Thorgil Sprakling

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Wives: 1

• Estrid daughter of Sweyn Forkbeard son of Harald Bluetooth son of Gorm son of Harthacnut Gormsson

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Sons: 2

• Beorn son of Ulf son of Thorgil Sprakling
• Sweyn II son of Ulf son of Thorgil Sprakling Estridsen