Two entries with the name Sortibran.

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Sortibran

Sortebran

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A Saxon warrior killed by King Ban of Benoic at the battle of Carhaix.

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Sources
Vulgate Merlin | 1220-1235
Arthour and Merlin | Late 13th century

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Sortibran

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A knight killed by Gawain while trying to abduct a lady.

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Source
Vulgate Merlin | 1220-1235

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