The de Muyser Lantwyck family is an old Belgian family dating back to the beginning of the 15th century, tracing its roots to Jean Moyser, alderman of Vaelbeek (duchy of Brabant), who held lands in Héverlé in 1451, censier of the Groenendael Priory, lord holding the lands and manor of Cockelberg by lease dated 19 June 1438,[1] husband of Aleyde Crabbé.

[2][3] The son of Jean I, Gilles de Muyser, bought, in 1472, the manor of Hoff ten Rode in Bierbeek.

Indeed, a charter by Philip the Good dated to 1452 is kept at the Arenberg archives of the university of Louvain, tells us that Wautier de Lantwyck, father of Ida, definitively renounces in 1452, along with his siblings, all rights to the lordship of Vaalbeek that their father Jean was lord of until 1429.

Between the 15th and 18th centuries, Muyser's family gave two aldermen and a burgomaster to Vaalbeek as well as an alderman to Neervelp : From the 19th to the 20th century: From the 20th to the 21st century: The Seven Noble Houses of Brussels (French: sept lignages de Bruxelles, Dutch: zeven geslachten van Brussel) were the seven families of Brussels whose descendants formed the patrician class of that city, and to whom special privileges in the government of that city were granted until the end of the Ancien Régime.

The six houses from which the family descend : Content in this edit is translated from the existing French Wikipedia article at fr:Famille de Muyser Lantwyck; see its history for attribution.