House of Ailly

d'Ailly, d'Alli, de Alliaco

Cadet Branches
House of Ailly-Domqueur
Lords of Domqueur
Issued from Gérard, illegitiamte son of Raoul II d’Ailly
House of Ailly-Formelles
Lords of Formelles
Issued from Maurice, 2nd son of Hugues I
House of Rumes
Lords of Bellancourt, Hornaing and Rumes
Issued from Hugues, 2nd son of Robert II
Adopted the name and arms from House of Rumes
House of Ailly-Picquigny
Lords of Vignacourt, Raineval
and Picquigny
Vidames of Amiens
Issued from Baudoin, 3rd son of Robert III
House of Ailly-Sains
Lords of Cavron, Margny
and Sains
Issued from Nicolas, 4th son of Robert III
House of Ailly-Le Quesnoy
Lords of Airaines and Le Quesnoy
Issued from Mathieu, 5th son of Robert III

Personal Arms
Hugues d'Ailly
Lord of Rumes
Younger son of Robert II d'Ailly
Progenitor of Rumes branch
Arms in Wijnbergen Armorial
Tassart de Sains
Lord of Sains
Seal of 1352
Conjectured Tinctures