Alvalon was born about 1090, the son of unknown parents. The place is not known.
He died in 1143. The place is not known.
His wife was Agnès de Sens, who he married in 1121. The place has not been found. Their only known child was Étienne (c1125-1189).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1090 |
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| Death | 1143 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Seignelay |
Note 1
son of Alvalon II Heer van Seignelay 1065-????