Piers was born about 1296, the son of Guillaume de Grandson and Sybil de Tregoz. The place is not known.
He died on 10 AUG 1358 in Ashperton, Ledbury, Herefordshire, England.
His wife was Blanche de Mortimer, who he married on BEF 10 JUN 1330. The place has not been found. Their two known children were Isabel (c1340-1406) and Jean I (c1347-?).
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Piers de Grandison |
Guillaume de Grandson |
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Sybil de Tregoz |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1296 |
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| Death | 10 AUG 1358 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | baron Grandison 2° |