Guérin was born about 1240, the son of unknown parents. The place is not known.
His wife was Jeanne de Rougemont. They were married, but the date and place have not been found. Their only known child was Jeanne (c1275-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1240 |
|