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|Parent house||Taira clan (original line)|
Ashikaga clan (restored line)
|Cadet branches||Nihonmatsu clan|
The Hatakeyama clan (Japanese: 畠山氏 Hepburn: Hatakeyama-shi) was a Japanese samurai clan. Originally a branch of the Taira clan and descended from Taira no Takamochi, they fell victim to political intrigue in 1205, when Hatakeyama Shigeyasu, first, and his father Shigetada later were killed in battle by Hōjō forces in Kamakura. After 1205 the Hatakeyama came to be descendants of the Ashikaga clan, who were in turn descended from Emperor Seiwa (850–880) and the Seiwa Genji branch of the Minamoto clan.
The first family being extinct in 1205, Ashikaga Yoshizumi, son of Ashikaga Yoshikane, was chosen by Hōjō Tokimasa to revive the name of Hatakeyama. He married Tokimasa's daughter, the widow of Hatakeyama Shigeyasu (the last Hatakeyama of the first branch), and inherited the domains of the Hatakeyama (1205). Thus the new family descended from the Minamoto (Seiwa Genji).
The clan was an ally of the Ashikaga shogunate against the (Imperial) Southern Court during the wars of the Nanboku-chō period, and was rewarded by the shogunate with the hereditary position of shugo (Governor) of the provinces of Yamashiro, Kii, Kawachi, Etchū, and Noto, at the end of the 14th century. During the 15th century, the members of the Hatakeyama clan held, although not exclusively, the title of kanrei (Shogun's Deputy), holding great influence over the Imperial Court at Kyoto. Around 1450, there was a split in the clan, and the internal conflict weakened the clan as a whole, causing it to lose the position of kanrei to the Hosokawa clan. This split began with a feud between Hatakeyama Masanaga and Hatakeyama Yoshinari over succession to the position; it quickly grew, as each side gained allies, and was one of the sparks that ignited the Ōnin War.
The Kawachi-Hatakeyama were split into two main rival branches descended from Hatakeyama Masanaga and Hatakeyama Yoshinari. The Mutsu-Hatakeyama held Nihonmatsu Castle saw its power gradually diminish over the course of the Sengoku period, becoming vassals of the Ashina clan.
Selected clan members of note
- Hatakeyama Shigeyoshi - Son of Chichibu Shigehiro. The Founder of Hatakeyama clan.
- Hatakeyama Shigetada (1165–1205) - A samurai who fought for the Minamoto during the Genpei War.
- Hatakeyama Shigeyasu (-1205)- Son of Shigetada. Last of the first line of Hatakeyama.
- Hatakeyama Yoshizumi – (1175-1210) Son of Ashikaga Yoshikane. First of the second line of Hatakeyama.
- Hatakeyama Mochikuni – became Kanrei in 1398
- Hatakeyama Yoshinari – rival with Masanaga for Kanrei in 1467
- Hatakeyama Masanaga – rival with Yoshinori for Kanrei in 1467
- Hatakeyama Yoshifusa (1491-1545) - A daimyō of Noto province and head of the Noto-Hatakeyama branch (1514-?)
- Hatakeyama Takamasa (? – 1576)
- Hatakeyama Yoshitsugu (1552–1585)
Known retainers of the Hatakeyama clan
- Yasumi Naomasa (? - 1572)
- Nihonmatsu Castle (Mutsu province, a residence of the Nihonmatsu-Hatakeyama branch)
- Nanao Castle (Noto province)
- Takaya Castle (Kawachi province)
- Sansom, George (1961). A History of Japan 1334–1615. Stanford, California: Stanford University Press.