known as Amadeus the Green Count
born 1334, Chambéry, Savoy [France]
died March 1, 1383, Castropignano [Italy]
Count of Savoy (1343–83).
Ruler of Savoy from age 9, he significantly extended his kingdom's territory and power. By the 1350s, after adding lands on the Italian side, he held nearly the entire western Alps. He joined a Crusade against the Turks (1366) and restored John V Palaeologus to the Byzantine throne. A mediator of quarrels among Italian powers, he set out to rescue Queen Joan I of Naples from her enemies (1382) but died of plague during the expedition.