There was a custom to refer to children of high nobles ranking higher than ministers as Omuro Gosho, and thus the gosho-go was widely given not only to the Imperial Family but also to high-ranking nobles and samurai families.
特に大臣家以上の公卿の子弟に対して御室御所と敬称する習慣もあり、御所号は皇室のみならず、公家・武家の高位者にも広く用いられた。