Jarogniew

Gender: Masculine
Origin: Polish
Meaning: fierce anger.”
(yah-RAWG-nyef)

The name is composed of the Old Slavonic elements, jary, “fierce, strong” and gniew “anger.”

Another form is Jerogniew.

A notable bearer was Jarogniew Drwęski (1873-1921) a famous Polish statesman and social activist.

The designated name-day in Poland is December 6.

Sources

1. http://www.behindthename.com/php/find.php?name=jarogniew
   
2. http://pl.wikipedia.org/wiki/Jarogniew_(imi%C4%99)