- Johann d.Ä. Lüneborg
- Robert de Vere
Birth - about 1230 - , Hedinham, Essex, England - Ingelram de Percy
Birth - about 1230 - , Petworth, NORTHUMBERLAND, England - Edmund de Lacy
Birth - 1230 - Of, , Lincolnshire, England - Eleanor de Braose
Birth - about 1230 - , , Breconshire, Wales - Agatha Agnes de Lusignan
Birth - about 1230 - Of, Lusignan, Vienne, France - Christian Lindsay
Birth - about 1230 - Of Lamberton, Mordington, Berwickshire, Scotland - Mrs-Ferglx De Forbes
- Hugh Venables
- Margarethe von Campen
- Peder Skram
- Gunde Aghissen Wind
- Nicolaus Elersen Krummedige
Birth - about 1230 - Ottenbüttel, Schleswig - Cecilie Tokesdatter Saltensee
- Elisabeth Pedersdatter Ulfeldt
Birth - 1230 - Kalundborg, Ars, Denmark - Moshe Treves
- Rabbi Benveniste ben Josef HaLevi
Death - about 1230 - Girona, Spanien - Stig Andersen Hvide
Birth - 1230 - Kongsdal, Undløse sogn, Holbæk amt - Ossa Nielsdatter
Birth - about 1230 - Kongsdal, Undløse sogn, Holbæk amt - Niels Juul
- Anna Mogensdatter Trefeld
Birth - about 1230 - Syddanmark - Richard de Davenport
Birth - about 1230 - Of, Chester, Cheshire, England - Edmund de Standish
Birth - about 1230 - , Standish, Lancashire, England - Rugh De Standish
- Henry De Pierrepont
- Enrqiue Fernandez Prince Castile & Leon
Birth - after 1230 - Of, Toledo, Toledo, Spain - William Patrick
- Walter Burgh
Birth - about 1230 - Of, Connaught, , Ireland - Beatrice Malpas
- Lope Garciez de Padilla
Birth - 1230 - , , , Spain - Robert Corbet
Birth - 1230 - Of, Moreton Corbet, Shropshire, England - Sibyl de Ferrers
Birth - 1230 - Of, , Derbyshire, England - Egino Iv "der Bartige", Count Of Urach
- Margaret Berkeley
Birth - about 1230 - Of, Berkeley, Gloucestershire, England - Reynold Fitz Piers
Birth - about 1230 - , , England - Lamila de Aceves
Birth - about 1230 - Of, New Castile, Spain - Reynold Burghersh
Birth - about 1230 - Of Burghersh, Sussex, Of Chiddingstone, Kent - Garci Melendez de Soto-Mayor
Birth - about 1230 - Of, New Castile, Spain - Isabel Brus
- Simon de Montacute
Birth - about 1230 - Of, , Somersetshire, England - Alfonso Ix Fernandez Leon
- Gilbert de Clare :[Earl Of Gloucester]
- Gutierre Armildez
Birth - about 1231 - Of Toledo, New Castile, Spain - Maud de Fiennes
Birth - about 1231 - Of, Wendover, Buckinghamshire, England - Ekkehard von Schack
- Margery Beeston
Birth - about 1231 - Of, Beeston, Cheshire, England - Avina de Notton
Birth - 1231 - Of, Salmesbury, Lancashire, England - Felipe Fernandez Prince Castile & Leon
Birth - after 1231 - Of, Toledo, Toledo, Spain - Walter de Lindsay
Birth - about 1231 - Of Lamberton, Mordington, Berwickshire, Scotland - Gutierre Fernandez De Toledo
Birth - about 1231 - Of Toledo, New Castile, Spain - William de Percy
Birth - about 1231 - , Petworth, NORTHUMBERLAND, England - Alica de Sanford (Saunfor
Birth - about 1231 - Saunford, Herts., England - Ralph de Somery
Birth - about 1231 - Of, Dudley, Staffordshire, England - Michael Manvers
- Bartholomew Badlesmere
Birth - about 1231 - , Badlesmere, Kent, England - John Segrave
- Leonor, Princess Of Portugal
- John de Warenne
- Luke de Poynings
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