Mathilde married Count of Mons Reginar V Hainaut in 1015. Reginar (son of Count of Hainaut Reginar IV Hainaut and Countess of Mons Avoise Hedwig Capet) was born in 995 in Mons, Hainaut, Belgium; died in 1039. [Group Sheet] [Family Chart]
995 - 1039 (44 years)