Old-Slavic mythology: Świętowit / Svetovid

Świętowit / Światowid / Swantowit / Swantewit / Svątevit / Svetovid / Svantovit - one of the major Slavic deities, god of war, fertility and abundance.

"Świętowit" by Stanisław Jakubowski

WHAT IS ACTUALLY KNOWN?