House of Dampierre

Cadet Branches
House of Dampierre-Flanders
Counts of Flanders
Adopted from House of Alsace
Issued from 2nd son of William I of Dampierre
House of Dampierre-Saint-Dizier
Lords of Dampierre and Saint-Dizier
Issued from 3rd son of William I of Dampierre
House of Dampierre-Namur
Counts of Namur
Issued from eldest son of Guy I of Flanders from his 2nd marriage
House of Dampierre-Cassel
Lords of Cassel
Issued from younger son of Robert III of Flanders
House of Seraing
Lords of Seraing
Illegitimate line of Namur

Personal Arms
Philippe de Dampierre
Count of Chieti and Teano
Youngest son of Guy I of Flanders from his 1st marriage
Henri de Flandre
Lord of Ninove
Count of Lodi
Youngest son of Guy I of Flanders from his 2nd marriage
Robert de Namur
Lord of Beaufort-sur-Meuse
Knight of the Garter
Son of John I of Namur
Philippe, Bastard of Namur
Lord of Dhuy
Illegitimate son of John III of Namur
Louis le Haze
Lord of Wessegem and Baarzande
Illegitimate son of Louis II of Flanders
Louis le Friese
Lord of Praet
Illegitimate son of Louis II of Flandrs
Progenitor of Lords of Praet