- Jitzhak HaCohen Katz
- Elizabeth Berkeley
Birth - about 1400 - Of Beverstone Castle, Gloucestershire, England - Baron John Tiptoft
- Earl Richard De Neville
Birth - about 1400 - Of, Raby, Durham, England - Alianore Berkeley
Birth - about 1400 - Of, Beverston, Gloucestershire, England - Elizabeth Beauchamp
Birth - about 1400 - Of, Abergavenny, Monmouthshire, England - Catherine Caseborne
Birth - about 1400 - Honeywood, Postling, Kent, England - Elizabeth Fitzhugh
- Countess Anne De Stafford
Birth - about 1400 - , , Staffordshire, England - Akiva HaCohen Katz
Death - 1400 - Thessaloniki - Heintz Theg
- Jonge Leve
Birth - about 1400 - Nordstarnd - Palle Nielsen Kirt
- Niels Bang
- Thomas Finck
- Jesse Bundesen
- Niels Lauridsen Kotte til Hallegaard
Birth - about 1400 - Hollufgård, Fraugde Parish, Åsum Herred - Mette Bondesdatter Friis
Birth - about 1400 - Årslevgård, Ørslev Parish, Vindinge Herred - Christine Christiernsdatter Vendelbo
Death - 1400 - Skanderborg, Midtjylland, Danmark - NN (unknown)
- Ela Ufford
- Margaret Spriggy
Birth - 1400 - , , Devonshire, England - Reginald West
Birth - about 1400 - Of Devonshire, England - Ellen Hulse
Birth - about 1400 - Of, , Cheshire, England - Edmund Pilkington
Birth - about 1400 - Blackrod, Lancashire, Eng - Elizabeth Hungerford
Birth - about 1400 - Of, HUNGERFORD, Somersetshire, England - Ralph Booth
Birth - about 1400 - Of, Barton, Lancaster, England - Philip Courtenay
Birth - about 1400 - Of, Powderham, Devonshire, England - Catherine Lumley
Birth - about 1400 - Of, ARUNDELL, Sussex, England - Thomas Harrington
Birth - 1400 - Of, Hornby Castle, Lancashire, England - John Arundell
- Isabel Belgrave
- Sir Giles Daubeny
- Baldewyn Brugge
Birth - about 1400 - Of, Haresfield, Gloucestershire, England - Thomas Wooton
Birth - about 1400 - Of Chester, Cheshire, England - Thomas Blount
- David Murray
Birth - about 1400 - Of, Tullibardine, Perthshire, Scotland - John Pawlet
Birth - about 1400 - Of Monney Castle, Somersetshire, Engl. - Marjory Ogilvy
Birth - about 1400 - Of, Auchterhouse, Angusshire, Scotland - Robert Bullock
- Joan Baynard
- John Bourchier
- Christiern Pedersen Vendelbo
- Isabel Despencer
- Alianore Willington
- Joan Plantagenet
- Richard de Holand
- John Paulet
- Elizabeth Calston
- Warin L' (Archdeacon) Arcedekne
- Baron John Sutton of Dudley
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