Siger was the son of Gautier I de Crèvecœur but his mother is unknown. The date and place of his birth have not been found.
He died in 1012. The place is not known.
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Siger d'Oisy |
Gautier I de Crèvecœur |
Gautier de Lens |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | 1012 |
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Note 1
ecclésiastique