Vorian tried to return to Leronica and meet the boys better but did not want to spoil their memories by revealing he was their true father, a fact the teen boys discovered it by accident; they were shocked since they preferred the memories with Vazz.
Vorian attempted to have good connections with his sons and took care for their proper schooling but they were still distant to him, although Leronica insisted to take his name. The distance was bigger towards Estes with whom he had gotten into a quarrel over a minor sarcastic comment.
The two brothers took a regular dose of melange which helped them retain youthful appearances in his sixties, although Vorian still looked like their grandson.
It is possible that they were the originators of the House Atreides on Caladan.
In The Dune Encyclopedia the ancestor of House Atreides and rival of Abulurd Harkonnen/DE who fought in the Battle of Corrin/DE is named Demetrios instead of Vorian.Demetrios has three sons named Pausanias, Theseus and Konstantinos instead of the twins Estes and Kagin.