 It is generally agreed that the name of Luttre comes from an old German word “lutere” which means “pure, transparent, limpid water”.Luttre was a tax-haven in the duchy of Brabant, extending from Luttre, South of Nivelles (B) till St Hertogenbosch (NL) with Leuven (B) as the capital city.Luttre depended on Nivelles – duchy of Brabant – for administrative duties (e.g.