Imbert was the son of Guillaume de Grolée and Alix de Bressieu. The date and place of his birth have not been found.
His wife was Jeanne de Gruyère. They were married, but the date and place have not been found. They had no known children.
Guillaume de Grolée |
| | ||||||
| ||||||||
| | |||||||
| ||||||||
Joffrey de Bressieu |
| |||||||
| ||||||||
Amé de Poitiers |
+ | |||||||
Jeanne de Savoie-Achaïe |
+ |