
Baba Nobuharu (1514-15 – June 29, 1575), also known as Baba Nobufusa, was a renowned Japanese samurai during the Sengoku period. He gained fame as one of the "Twenty-Four Generals of Takeda Shingen." When Takeda Shingen captured Fukashi castle (now Matsumoto Castle) in 1550, he entrusted its guardianship to Baba.
Historical records indicate that from around 1553, Baba was tasked with overseeing the Suwa region in Shinano. This area served as a borderland with the northern Daimyo and played a crucial defensive role in monitoring potential invasions from the north. Additionally, he acted as an intermediary for the Shiina family of Etchu.
In 1557, Baba took part in the Kawanakajima campaigns, leading the Takeda forces in the siege and eventual destruction of Katsurayama, a significant stronghold of the Uesugi clan.
In 1562, he received the honor of assuming the title "Mino no Kami," a position previously held by Hara Toratane, who had retired the year before and changed his name to Baba Mino no Kami Nobuharu. The Kōyō Gunkan records that Shingen frequently sought Nobuharu's counsel on matters of importance. In 1572, he played a crucial role in the Siege of Iwamura Castle against the Oda clan garrison.
During the Battle of Mikatagahara in 1573, the troops under Nobuharu's command pursued Tokugawa Ieyasu's army back to Hamamatsu fortress. However, upon seeing the gates open and braziers lit, Baba mistakenly suspected a trap and chose not to further engage the fleeing army.
Following Takeda Shingen's passing, Baba continued to serve his successor, Takeda Katsuyori. In 1575, aware of Nobunaga's involvement in the Battle of Nagashino, he advised Katsuyori to withdraw. Unfortunately, Katsuyori disregarded this counsel.
Leading the right-wing of the Takeda army in the battle, Baba met his end in combat. It is believed that he sacrificed himself to cover the retreat, allowing Katsuyori to escape the battlefield. The deaths of Baba Nobuharu, along with other valiant warriors such as Sanada Nobutsuna, Naito Masayo, and Yamagata Masakage, during the Battle of Nagashino contributed to the weakening and eventual downfall of the Takeda family in 1582.
Prior to Nagashino, Nobuharu had earned a reputation for fighting in 70 battles without sustaining a single injury. This remarkable feat has immortalized him as "Baba Mino the Immortal" or "Oni Mino the Immortal" in modern memory.
See also
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Sakakibara Yasumasa

Yasumasa was the second son of Sakakibara Nagamasa and was born in Ueno in Mikawa Province. From a young age, he began serving Tokugawa Ieyasu and eventually rose to the position of one of his most trusted generals. His wife was the daughter of Osuga Yasutaka. Ieyasu first noticed the young Yasumasa during the suppression of the Ikkō-ikki uprising in Mikawa in 1564. Thanks to his demonstrated abilities, Yasumasa was granted the privilege of using the character “yasu”—the second character of Ieyasu’s own name—in his own. Although he was the second child in his family, he became his father’s heir, though the exact reasons for this remain unknown.
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Sakai Tadatsugu

Tadatsugu was one of the most renowned generals serving Tokugawa Ieyasu. After Ieyasu broke ties with the Imagawa clan, Tadatsugu—an ardent supporter of this decision—was granted command of Yoshida Castle in 1565, which controlled the coastal road from Tōtomi to Mikawa. During the Battle of Mikatagahara in 1573, he held the right flank of the Tokugawa forces even when the troops sent by Oda fled under the assault of the Takeda army. In the Battle of Nagashino in 1575, he personally requested permission to carry out a night attack on the Takeda camp, which he executed brilliantly together with Kanamori Nagachika.
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Ryuzoji Takanobu

Takanobu was the eldest son of Ryūzōji Takaie and the great-grandson of Ryūzōji Iekane. His father was killed by a man named Baba Yoritiku in 1544. At a young age, Takanobu took Buddhist vows and received the monastic name Engetsu. However, around the age of eighteen, he returned to secular life, and in 1548, after the death of Ryūzōji Tanehide, he became the head of both branches of the Ryūzōji family.
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Ouchi Yoshihiro

Ōuchi Yoshihiro was the second son of Ōuchi Hiroyo, who headed the Ōuchi clan in the western part of Honshu. In 1363, Shogun Ashikaga Yoshimitsu confirmed the Ōuchi family in the position of shugo of Suō and Nagato Provinces. In his youth, Yoshihiro assisted his father in strengthening the influence of the Northern Court on the island of Kyushu — they served under Imagawa Ryōsun, who had been tasked with subjugating the nine provinces of Kyushu.
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Ouchi Yoshioki

Ouchi Yoshioki, the ruler of the provinces of Suo, Nagato, and Iwami, was one of the most capable military commanders and politicians of the late 15th and early 16th centuries. The son of Ouchi Masahiro, he governed from his residence in Yamaguchi in the province of Suo. In 1499, Yoshioki gave refuge to Shogun Ashikaga Yoshitane, who had been driven out of Kyoto by Hosokawa Masamoto. Shogun Yoshizumi, Masamoto’s protégé, ordered the lords of Kyushu to unite their forces against Yoshioki; however, they did not dare to do so, fearing the power of a man who by that time controlled six provinces. Having gathered a substantial army, Yoshioki marched from his native Suo toward Kyoto in order to restore Shogun Yoshitane to power.
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Otomo Sorin

Ōtomo Yoshishige came from a noble lineage, being the eldest son of Ōtomo Yoshiaki, the ruler of Funai Province. The roots of the Ōtomo family traced back to Fujiwara Hidesato, the adopted son of Nakahara Chikayoshi. Fujiwara served Minamoto Yoritomo during the Genpei War and took part in battles in Mutsu Province in 1189. In 1193, he was appointed shugo of Buzen and Bungo Provinces, after which he adopted a new surname—Ōtomo.
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Okudaira Sadamasa

Sadamasa was the son of Okudaira Sadayoshi and took part in several battles under Tokugawa Ieyasu, distinguishing himself in the Battle of Anegawa in 1570, where he took two heads. Around 1572 he was forced to enter the service of the Takeda clan, but after the death of Takeda Shingen in 1573 he returned to Tokugawa, leaving Tsukude Castle together with his men. As a result of this defection, Takeda Katsuyori ordered the execution of Sadamasa’s wife and brother, who were being held as hostages.
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Okubo Tadatika

Tadatika, the son of Okubo Tadayō, entered the service of Tokugawa Ieyasu at the age of eleven, and took his first head in battle when he was sixteen. After the establishment of the Tokugawa shogunate, he was appointed as a rōjū — a senior bakufu official — and was regarded as one of Ieyasu’s most trusted advisors, alongside Honda Masanobu. He is also known for his military chronicle Mikawa Monogatari, which describes Ieyasu’s rise to power and the early years of the Tokugawa shogunate.
