Oyst was born about 1265, the son of unknown parents. The place is not known.
He died about 1310. The place is not known.
His wife was Margareta van Elsloo. They were married, but the date and place have not been found. Their two known children were Oyst II (<1306->1337) and Yolande (c1310-c1375).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1265 |
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| Death | ABT 1310 |
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