Bronibor was a Temerian voivode, governor and member of Foltest's Royal Council. He was also the author of "The Victorious Deeds of Redania's Gallant Cavalrymen".
During the Battle of Brenna, he led the reserve PFI forces to stop the counter-charge of the Nilfgaardian Nauzicaa and 7th Daerlan brigades. Under his command the inexperienced infantry showed a surprising valor and managed to hold its ground against the enemy cavalry. However, Bronibor suffered severe wounds and died in the field hospital.