Thierry was the son of unknown parents. The date and place of his birth have not been found.
His wife was Eustache de Wavrin. They were married, but the date and place have not been found. Their only known child was Jean (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | heer van Moerbeke en Piennes |