An influential person during the minority of King Childebert II, he favored an alliance with Chilperic I.
Many of the dukes strongly opposed the influence of Queen Brunhilda held over her son King Childebert.
According to Gregory of Tours, in 590, Fredegund, Queen of Soissons, encompassed the assassination of Childebert.
The documents supposedly showing King Chilperic's authorization proved to be forged.
Faced with additional documents and witnesses, Egidius was found guilty, but his life was spared.