横須賀藩
Viscount was the final "daimyō" of Yokosuka Domain in Tōtōmi Province in late-Edo period Japan, and the first (and only) "daimyō" of Hanabusa Domain in Awa Province in the early years of the Meiji period, and the 11th hereditary chieftain of the Yokosuka-Nishio clan.