• Born: Between 992 and 1000, Louvain, Brabant
• Married:

  Research Notes:

The Genealogica comitum Buloniensium records that "Henricum seniorem de Bursella [=filius Ermengardis]" was father of "Lambertum comitem et Henricum fratrem eius et Mathildem sororem eorum", specifying that Mathilde married "comes Eustachius de Bolonia".... The primary source which confirms that Mathilde was the daughter of Comte Lambert [I] has not yet been identified but this is compatible with the chronology. Her birth date range estimated from the estimated date of her parents' marriage and the likely birth date of her eldest son in [1015/20]... ²