House of Lannoy Lords of Lannoy, Lys, Santes, Molembaix, Leeuwerghem and Maingoval Barons of Aix, Clairvaux and Sombreffe Counts of La Motterie, Beaurepaire and Lannoy Princes of Sulmona Dukes of Bojano
Cadet Branches
House of Lannoy-Tourcoinq Lords of Tourcoinq Members of this branch later emigrated to English colonies in America (United States) and are known as Delano family
Personal Arms
Hugues de Lannoy Lord of Santes
Gilbert de Lannoy Lord of Santes, Willerval, Tronchiennes, Beaumont and Wahagnies
Baudouin I de Lannoy Lord of Molembaix and Solre-le-Château
Baudouin II de Lannoy Lord of Molembaix, Solre-le-Château and Tourcoing
Pierre de Lannoy Lord of Fresnoy
Philippe de Lannoy Lord of Molembaix, Solre-le-Château, Tourcoing, Anseroeul, Fouleng
Charles de Lannoy Lord of Senzeille 1st Prince of Sulmona Count of Asti
Philippe Charles II de Lannoy 2nd Prince of Sulmona and Ortonamare
Charles III de Lannoy 3rd Prince of Sulmona and Ortonamare
Baudouin III de Lannoy Lord of Tourcoing Progenitor of Tourcoinq branch
Baudouin de Lannoy Lord of Molembaix
Jean de Lannoy Lord of Molembaix, Anseroeul, Germignies and Solre-le-Château