Oyamada clan

is a Japanese samurai family group. It can refer to one of five different Japanese clans, including

• One claimed descent from the Taira clan. One famous descendant was the Sengoku period samurai general Oyamada Nobushige.
• One was descended from the Usa clan.
• One claimed descent from the Northern Fujiwara by way of Uesugi Shigefusa.
• One claimed descent from the Northern Fujiwara by way of Onomiya Saneyori.
• One claimed descent from the Northern Fujiwara by way of Kikuchi Noritaka.

References

• "Oyamada-shi" (Taira descent) on Harimaya.com (accessed 28 August 2008)