Thierry II de Montbeliard

✓ Thierry II de Mousson, Count of Montbeliard (b. [1076/78], d. mid-Jan 1163), son of Thierry I de Mousson (Count of Bar and Montbeliard) and Ermentrude of Burgundy (Ermentrude's foundation of Froidefontaine 1105 with 'filii sui Fridericus, Raginaudus, Theodericus'). Wife not known. Source: Medieval Lands (fmg.ac, Cawley), 'Burgundy Kingdom - Montbeliard'. [DIRECT ANCESTOR OF THE COMPILER: flag added 20 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]