House of Reginar
- Coat of Arms
House of Reginar
Counts of Leuven and Hainaut
Dukes of Lower Lorraine (Lothier)
Also called House of Louvain or Leuven
House of Reginar
Dukes of Brabant and Lothier
House of Reginar
Dukes of Brabant and Lothier
Dukes of Limburg
- Cadet Branches
House of Montfort
Counts of Montfort-l'Amaury
Earls of Leicester
Issued from one of the younger sons of Reginar II, Count of Hainaut
House of Percy
Lords of Alnwick and Topcliffe
Earls of Northumberland
Issued from Joscelin, a younger son of Godfrey IHouse of Perwez
Lords of Perwez and Grimbergen
Issued from Godfrey III's elder son from his 2nd marriage
Used the old arms of the parent house
House of Lovaine
Lords of Little Easton
Issued from Godfrey III's 2nd son from his 2nd marriage
House of Louvain-Gaesbeck
Lords of Gaasbeek
Issued from 2nd son of Henry I of Brabant
House of Hesse
Landgraves of Hesse
Issued from the 2nd marriage of Henry II of Brabant
House of Stalle
Lords of Stalle
Illegitimate branch issued from William de Louvain, Lord of Perwez
House of Withem
Lords of Wittem
Illegitimate branch issued from John II
House of Berghes
Lords of Glimes
Lords and Marquises of Bergen
Lords and Counts of Walhain
Lords, Counts and Princes of Grimbergen
Legitimized by Emperor Louis IV
- Personal Arms
Godefroi de Brabant
Lord of Vierzon and Aarschot
Younger brother of John I
Jean de Meeuwe
Lord of Wavre
Bastard of Brabant
Illegitimate son of John I
Jean de Corsselaer
Lord of Wittem
Illegitimate son of John II
Progenitor of Wittem branch
Jean de Wijtfliet
Lord of Blaasveld
Illegitimate son of John II
Jean de Cordeken
Lord of Glimes
Illegitimate son of John II
Progenitor of Berghes branch
Jean V de Veen
Lord of Rolduc
Bastard of Brabant
Illegitimate son of John III
