So this is part 2 (post William the Conqueror)
children of William I and Matilda of Flanders
Adeliza (died before 1113)
Cecily or Cecilia (born before 1066 died before 1127)
Constance (died 1090)
Adela (died 1137)
children of Henry I
Fulk Fitzroy (son of Ansfride)
Aline
Sybilla
Gundrada de Dunstaville
Rohese
children of Stephen I and Matilda of Boulogne
Baldwin (died 1135)
Eustace (c. 1130 - 1153)
children of Stephen I and his mistress Damette
Gervase, Abbott of Westminster
Amalric
Illegitimate children of King John
Osbert Gifford
Eudes
children of Edward I and Eleanor of Castille
Berengaria (1276 - 1278)
children of Edward III
Blanche (1342 - died young)
children of Adela of Normandy
Odo of Blois
Theobald (1090 - 1152)
children of Robert Caen
Hamon of Gloucester
children of Reginald de Dunstaville
Hawyse de Dunstaville (also known as Denise)
Ursula de Dunstaville
Children of Matilda Fitzroy
Hoel
Children of Sybilla of Normandy
Máel Colium mac Alasdair (Medieval Gaelic of Malcom son of Alexander)
Children of Matilda, Duchess of Saxony
Matilda aka Richenza
Lothar
Ingibiorg
children of Eleanor of England
Berengaria (1180-1246)
Sancho (1181 - 1181)
Sancha (1182-1185)
Urraca (1187-1220)
Mafalda (1191 - 1204)
Children of Joan of England
Bohemond
Children of Eleanor of Leicester
Amaury de Montfort
children of Charles II
Barbara Benedicta (1672-1737)
(charles II also had mistresses called Christabella and Hortense)
children of George I
Sophia Dorothea (1687-1757)
by his mistress Melusine Von der Schulenburg
Petronilla Melusina
Margarethe Gertrud
children of George III
Prince Octavius (1779-1783)
(part one ^)