Sylvion was born about 1100, the son of unknown parents. The place is not known.
His wife was Métheline de Béziers, who he married in ABT 1130. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1100 |
|
Note 1
fils de seigneur Guillaume de Clerieux & Aiceline NN