The name (other variations used in English include: Jagiellonians, Jagiellos, Jogailos, Jagiellas) comes from Jogaila (pol.: Jagiełło), the first Polish king of that dynasty.[1]
Jagiellon rulers
Jagiellons were hereditary rulers of Poland and Lithuania.
The Jagiellon rulers of Poland–Lithuania (with dates of ruling in brackets) were:
↑In Polish, the dynasty is known as Jagiellonowie (singular: Jagiellon, adjective, used of dynasty members, also patronimical form: Jagiellończyk); in Lithuanian it is called Jogailaičiai (sing.: Jogailaitis), in BelarusianЯґайлавічы (Jagajłavičy, sing.: Яґайлавіч, Jagajłavič), in HungarianJagellók (sing.: Jagelló), and in CzechJagellonci (sing.: Jagellonec; adjective: Jagellonský), as well as Jagello or Jagellon (fem. Jagellonica) in Latin. In all variations of that name, the letter J should be pronounced as in "Hallelujah" (or as Y in "yes"), and G – as in "get".