House of Normandy

Cadet Branches
House of Sanseverino
Lords and Barons of San Severino and Cilento
Counts of Caserta, Tricarico and Marsico
Princes of Salerno
Issued from Crispin d'Arnes, scion of Norman ducal family
House of Clare
Lords of Tonbridge and Cardigan
Earls of Hertford and Gloucester
Issued from Geoffrey de Brionne, illegitimate son of Richard I, Duke of Normandy
House of Eu
Lords of Hastings
Counts of Eu, Hiémois and Soissons
Issued from William d'Eu, illegitimate son of Richard I, Duke of Normandy
House of Ochain
Lords of Ochain and Jemeppe
Issued from either Richard or William, illegitimate sons of Robert II Curthose, Duke of Normandy
House of FitzRobert
Earls of Gloucester
Issued from Robert FitzRoy, illegitimate son of Henry I of England
House of Dunstanville
Earls of Cornwall
Issued from Reginald de Dunstanville, illegitimate son of Henry I of England
House of Tracy
Lords of Bradninch, Barnstaple and Toddington
Issued from William de Tracy, illegitimate son of Henry I of England