Guy was the son of Thiebaut de Rougemont and Jeanne de Tilchatel. The date and place of his birth have not been found.
His wife was Étiennette de Ruffey. They were married, but the date and place have not been found. Their only known child was Jean (?-c1375).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Rougemont, de Tilchatel et de Ruffey-sur-l'Ognon |