The Rontiaksus is a family. A boy named 
 Ivesh Rontiaksu was born in 
 Obdab during the Spring of 1130. He was a Ogsist mystic.
During the Autumn of 1130, 
 Ivesh converted to 
 Ogsism. 
 Ivesh died from an illness during the Summer of 1298. He was 168 years old.