- Christian Faulkner
Birth - about 1399 - Co., Of Southhampton - Joan Chelrey Or Child
- Margaret Damerell (D' Aum
- William Douglas
Birth - about 1399 - Of, Mar, Aberdeenshire, Scotland - Maud de Ros
- William Scrope
- Joan Fitton
Birth - about 1399 - Gawsworth, Ches., Eng. - Gilbert De Standish
- Son Ap Guillem
Birth - about 1399 - Of Ragland, Mons, Eng - Brian de Windsor
- Sir William Cheney
- Sir Lawrence Pabenham
- Baron William De Dacre
- Duke Humphrey Plantagenet
- Duchess Eleanor (Alianore) De Bohun
Death - 3 October 1399 - Minoresess Convent, Aldgate, Middlesex, England - Heintz Theg
- Jitzhak HaCohen Katz
- Akiva HaCohen Katz
Death - 1400 - Thessaloniki - Thomas Blount
- Mette Bondesdatter Friis
Birth - about 1400 - Årslevgård, Ørslev Parish, Vindinge Herred - Niels Lauridsen Kotte til Hallegaard
Birth - about 1400 - Hollufgård, Fraugde Parish, Åsum Herred - Jesse Bundesen
- Thomas Finck
- Jonge Leve
Birth - about 1400 - Nordstarnd - Christine Christiernsdatter Vendelbo
Death - 1400 - Skanderborg, Midtjylland, Danmark - Niels Bang
- Palle Nielsen Kirt
- NN (unknown)
- Catherine Caseborne
Birth - about 1400 - Honeywood, Postling, Kent, 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
- Margaret Spriggy
Birth - 1400 - , , Devonshire, England - Ralph Booth
Birth - about 1400 - Of, Barton, Lancaster, England - Edmund Pilkington
Birth - about 1400 - Blackrod, Lancashire, Eng - Reginald West
Birth - about 1400 - Of Devonshire, England - David Murray
Birth - about 1400 - Of, Tullibardine, Perthshire, Scotland - Elizabeth Hungerford
Birth - about 1400 - Of, HUNGERFORD, Somersetshire, England - Thomas Wooton
Birth - about 1400 - Of Chester, Cheshire, England - Ellen Hulse
Birth - about 1400 - Of, , Cheshire, England - 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 - Elizabeth Fitzhugh
- Countess Anne De Stafford
Birth - about 1400 - , , Staffordshire, England - Ela Ufford
- Robert Bullock
- John Pawlet
Birth - about 1400 - Of Monney Castle, Somersetshire, Engl. - Baldewyn Brugge
Birth - about 1400 - Of, Haresfield, Gloucestershire, England - Marjory Ogilvy
Birth - about 1400 - Of, Auchterhouse, Angusshire, Scotland
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