PB
Petronille (de Brienne)
d. 1050
shown under married name (maiden name not established)
Vitals
Died
after 6 Jun 1050
Family
Children
Research notes
✓ Petronille, Countess of Brienne, wife of Engelbert III and mother of Gauthier I ('Walterus comes Brenensis... mater mea Petronilla', 1050). Parentage unknown. Source: Medieval Lands (fmg.ac, Cawley), 'Champagne - Brienne (chambrien)'. [DIRECT ANCESTOR OF THE COMPILER: flag added 22 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]