Katarn Clan
this was one of the many "clans" formed by the Jedi Council to facilitate the training of young individuals, during the last decades of the Old Republic. Like other such groups, the Katarn Clan was made up of children of varying species between the ages of four and eight standard years. They trained in these groups until they were thirteen years old, at which time they were either chosen by a Jedi Master as a Padawan learner or given other duties outside the Jedi Order.