- William Scrope
- William Douglas
Birth - about 1399 - Of, Mar, Aberdeenshire, Scotland - Gilbert De Standish
- Son Ap Guillem
Birth - about 1399 - Of Ragland, Mons, Eng - Earl Richard De Neville
Birth - about 1400 - Of, Raby, Durham, England - Baron John Tiptoft
- Thomas Blount
- Jitzhak HaCohen Katz
- 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 - Akiva HaCohen Katz
Death - 1400 - Thessaloniki - Thomas Wooton
Birth - about 1400 - Of Chester, Cheshire, England - Philip Courtenay
Birth - about 1400 - Of, Powderham, Devonshire, England - Thomas Harrington
Birth - 1400 - Of, Hornby Castle, Lancashire, England - John Arundell
- Sir Giles Daubeny
- 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 - Baldewyn Brugge
Birth - about 1400 - Of, Haresfield, Gloucestershire, England - John Pawlet
Birth - about 1400 - Of Monney Castle, Somersetshire, Engl. - Robert Bullock
- John Bourchier
- Christiern Pedersen Vendelbo
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