Riou was the son of unknown parents. The date and place of his birth have not been found.
He died after 23 NOV 1362. The place is not known.
His wife was Catherine du Pont-l'Abbé, who he married in 1320. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 23 NOV 1362 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | chevalier, seigneur de Goarlot | |||||
| Nobility Title | chambellan du duc de Bretagne |