That rule was taken over after the Meiji Restoration: The Oshinokoji family and the Mibu family were conferred the title of Viscount, but the Hirata family was treated as a family of samurai descendants like the general lower ranking officials.
その制約は明治維新後も続き、押小路家・壬生家は男爵に叙せられたのに対して、平田家は並官人と同様の士族として扱われた。