In the Meiji period, the family of lord of the Kokura Domain was raised to Count and the branch families of lords of Karatsu, Anji, Senzoku Domains as well as the family of lord of Katsuyama Domain were raised to viscounts.
明治になると、小倉藩主家は伯爵、分家の唐津・安志・千束藩主家、勝山藩主家はいずれも子爵に列せられた。