The Miyake (宮家), are branches of the Yatanese Imperial Family created from the Imperial Family and the Usakura-no-miya. There are three Miyake in total : Munkata, Uguisuchi and Ijuin. The Munakata descended from the Emperor Komyo, while the Uguisuchi and and Ijuin descended from Prince Sanemitsu.
In total there are 11 members across 3 collateral branches.