A quartet of medieval deaths on this day in history…
1206 – Adela of Champagne (b. 1140) https://en.wikipedia.org/wiki/Adela_of_Champagne
1246 – Isabella of Angoulême (b. 1188) https://en.wikipedia.org/wiki/Isabella_of_Angoul%C3%AAme
1394 – Mary de Bohun, wife of Henry IV of England (b.c. 1368) https://en.wikipedia.org/wiki/Mary_de_Bohun
1463 – Flavio Biondo, Italian historian and author (b. 1392) https://en.wikipedia.org/wiki/Flavio_Biondo