Hereditary membership is open to all ladies and gentlemen, at least eighteen years of age, of good moral character and reputation who can prove lineal descent from William I (the Conqueror). and/or one of his Companions.
The Order was established to perpetuate the memories, accomplishments, and contributions of the principal figures who took part in the Norman invasion of England known as the Norman Conquest, the primary individuals being William I (the Conqueror), Duke of Normandy, King of England and those Companions who supported William I, by lineal descent, bringing into one society the descendants of the aforementioned individuals.
The Order also collects and secures for preservation the following items: historical/genealogical research, documents, lineages and other significant data related to the events leading to and following the Norman Conquest, which changed history in 11th century Medieval England and Normandy.
Membership is by invitation only.