Two entries with the name Robert.

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Robert

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The squire of Guinglain, Gawain’s son.

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Source
Le Bel Inconnu | Renaut de Bâgé, 1185–1190

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Robert

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The lord of castle Sotain Herbert.

Agravain met him during Agravain’s adventures in Ireland. Robert’s lovely wife had been carried off by a violent storm. The lady found her way to the castle of an evil, lustful nobleman, who imprisoned her and forced her to marry him against her will. Agravain and some of Robert’s knights managed to rescue her and return her to her rightful husband.

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Source
Les Merveilles de Rigomer | Jehan, mid to late 13th century

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