All jochu who received a salary from the government were called "O-oku jochu" and it is said that O-oku jochu were also in families into which the shogun's daughters married, and to whom the shogun's sons were adopted.
ちなみに幕府から給金を支給されていた女中たちすべてを「大奥女中」と言い、実際には将軍家の姫君の輿入れ先や息子の養子先の大名家にも存在していたという。