- Robert de Ferrers
- William D' Aubigny (Albini)
- Walter de Gaunt
- Walram Iii, Prince Lorraine
- Konrad, Prince Of Glogau
Birth - about 1139 - Of Wroclaw, Wroclaw, Poland - George Fitz Grimbaldus
Birth - about 1139 - Of, Letheringsett, Norfolk, England - Geoffrey Or Gaufred Wake
Birth - about 1139 - Of Liddell, Cmbrln, Eng - Llywarch "Goch" Ap Iorwerth
Birth - about 1139 - Of, Rhos, Denbighshire, Wales - William de Ferrers
- Raoul I de Coucy
Birth - about 1139 - Boves, Somme, France - William "Earl Of Arundel" D' Aubigny
Birth - about 1140 - Of, Buckenham, Norfolk, England - William de Ferrieres
Birth - about 1140 - Of, Tutbury, Staffordshire, England - Herluf NN
- Otto I Rantzau von Leisnig
- Jitzhak ben Jehuda Treves
- Sune Skjalmsen Hvide
Death - about 1140 - Sorø, Sjælland, Denmark - Rabbi Jom Tov ben Yehuda Falaise
Death - 1140 - Paris, lie-de France, France - Walter de Clifford
Birth - about 1140 - Clifford Castle, , Herts, England - Walter Bolebec
Birth - about 1140 - , Blancland, North Hampshire, England - Manolis Laskaris
Birth - about 1140 - Of Nicaea, Bursa, Turkey - Otto I (V) Bavaria
- Geoffrey de Neville
Birth - about 1140 - Of, Horncastle, Lincolnshire, England - Amaury (Almaricus) de Montfort
- Hamon Massey
Death - about 1140 - , Dunham Massey, Cheshire, England - William Venables
Birth - about 1140 - Of Kinderton, Cheshire, England - Roger, Earl Of Buchan
Birth - about 1140 - Of, BUCHAN, Aberdeenshire, Scotland - William Belward Egerton
Birth - about 1140 - Of Mallpas, Chesh, Eng - Cynan Ap Owain
Birth - about 1140 - Of, , Caernarvonshire, Wales - Reginald Devereux
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