- Japanese: 岡部家 (Okabe-ke)
The Okabe of Suruga province were descended from the Kudô family of Izu province. They became retainers of the Imagawa until the fall of that house in 1569, at which point the they became Takeda vassals. When the Takeda fell in turn, the Okabe joined the Tokugawa.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005