Eléonore was the daughter of Jean de Thiennes and Agnès de Croix. The date and place of her birth have not been found.
She died in 1556. The place is not known.
Her husband was Jean III de Croÿ-Crésèques, who she married in 1509. The place has not been found. Their two known children were Eustache I (1510-1609) and Marie (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1556 |
|