HT
Herviz (de Tonnerre)
shown under married name (maiden name not established)
Vitals
Family
Children
Research notes
✓ Herviz (Helvis), wife of Rainard, Count of Tonnerre, and mother of Ermengarde, Countess of Tonnerre (charters of 1036 and 1039). Parentage not recorded. Source: Medieval Lands (fmg.ac, Cawley), 'Burgundy Duchy - Tonnerre'. [DIRECT ANCESTOR OF THE COMPILER: flag added 19 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]