Amago Haruhisa (March 8, 1514 – January 9, 1561) was a powerful daimyō and warlord in the Chūgoku region of western Japan. Born as the second son of Amago Masahisa, he initially bore the name Akihisa, but in 1541, upon an offer from Ashikaga Yoshiharu, he adopted the name Haruhisa by incorporating a kanji character from Yoshiharu's own name.
Upon the untimely death of his father, Amago Masahisa, in battle, Haruhisa assumed leadership of the Amago clan in 1537, succeeding his grandfather. Eager to expand his territory, he launched a series of invasions, extending his influence as far as Harima. During his youth, he was known by the name Saburōshirō.
The Siege of Koriyama in 1540, pitting Haruhisa against Mōri Motonari, concluded in a humiliating defeat. This led to the defection of many of his retainers, who doubted Haruhisa's prospects for success. The subsequent year saw the passing of his grandfather, Amago Tsunehisa, and Ōuchi Yoshitaka initiated a counteroffensive to crush the Amago clan.
In the 1542–43 Siege of Toda Castle, Haruhisa successfully defended the castle. This victory not only bolstered his standing but also inspired the return of some of his earlier defectors. With sufficient forces gathered, he managed to repel the invasion and gradually solidified control over domains like Izumo, Hōki, Mimasaka, and Oki.
Following the death of Ōuchi Yoshitaka in 1551 due to the rebellion led by Sue Harukata, Haruhisa was offered lordship over eight domains by the Muromachi shogunate in 1552, four of which he already held in his firm grasp.
In his later years, Haruhisa made a sudden decision to eliminate his uncle Amago Kunihisa, along with the retainers under his command, collectively known as Shingūtō. This action, which initially led to a scarcity of experienced leaders, was likely a move by Haruhisa himself to consolidate his rule over the Amago clan, rather than a plot by Mori Motonari as depicted in certain fictional works.
After Sue Harutaka's defeat and death in the Battle of Miyajima, Haruhisa sought to claim Iwami, forming an alliance with the Ogasawara clan of Iwami to seize control of the Omori Silver Mine. This sparked a series of battles with no clear victor. In late 1560, while engaged in battle against Motonari, Haruhisa fell ill at Gassantoda Castle and passed away on January 9, 1561.
Amago Hisayuki, as documented in Unyo Gunjitsuki, remarked that Haruhisa was "Quick to act, yet lacked the strategic discipline of a seasoned general; eager for combat, yet not inclined towards forgiveness."
See also
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Matsudaira Ietada
Matsudaira Ietada, also known as Tomomo-no Suke, was the eldest son of Matsudaira Koretada, the head of the Fukozu branch of the Matsudaira clan. Ietada was born in 1555 at Fukozu Castle. When he reached adulthood (for samurai children this age range was between 11 and 17), the Fukozu-Matsudaira clan was under the authority of Tokugawa Ieyasu and commanded by Sakai Tadatsugu. In the Battle of Nagashino in 1575, Tadatsugu’s unit, which included both Ietada and his father, took part in the assault on the fort on Mount Tobigasu-yama. During the fighting, Koretada was killed, and twenty-year-old Ietada became the new head of the clan.
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Matsudaira Tadaakira
Tadaakira was the fourth son of Okudaira Nobumasa, a vassal of the Tokugawa clan, and his mother was Kame, the eldest daughter of Tokugawa Ieyasu. In 1588, Tadaakira was adopted by Ieyasu and received the Matsudaira family name; at that time, he bore the name Kiyotada.
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Mashita Nagamori
Nagamori possessed remarkable diplomatic and administrative talent while remaining a brave warrior. He is believed to have come from the village of Mashita in the province of Owari, which today is part of Aichi Prefecture. He was a vassal of Oda Nobunaga and later served Toyotomi Hideyoshi. In the Battle of Komaki–Nagakute in 1584, Nagamori took at least two enemy heads. Later, he was entrusted with overseeing major public construction projects, including the reconstruction of Fushimi Castle and the building of the large Sanjō and Gojō bridges in Kyoto.
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Magara Jurōzaemon Naotaka
Magara Jurōzaemon Naotaka was a vassal of Asakura Yoshikage from the province of Echizen, and very little is known about his life, including even the exact year of his birth. Magara gained his renown through his heroic death at the Battle of Anegawa in 1570. In this battle, the combined forces of Oda Nobunaga and Tokugawa Ieyasu confronted the armies of Asai and Asakura, with Ieyasu taking command of the left flank and fighting against the Asakura forces. After crossing the shallow Anegawa River, which separated the two armies, Tokugawa’s finest generals — Honda Tadakatsu and Sakakibara Yasumasa — launched an assault on the headquarters of Asakura Kagetake, the commander-in-chief of the Echizen army. The attack by Honda Tadakatsu was so swift that Kagetake found himself almost completely surrounded by enemy troops.
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Kusunoki Masashige
Kusunoki Masashige was, without exaggeration, a genius of guerrilla warfare. If not for this talented commander, Emperor Go-Daigo would likely have failed not only to ascend the throne, but even to put up any real resistance against the powerful Hojo clan.
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Kobayakawa Takakage
Kobayakawa Takakage was rightfully considered one of the most intelligent men of his era. Even Kuroda Kanbei, the celebrated strategist famed for his cunning—about whom people said he could outwit even a fox—admitted that Takakage was his equal in intellect, and at times even surpassed him. After the death of his father, Mōri Motonari, Takakage effectively governed the Mōri clan for many years while serving as advisor to his nephew, Mōri Terumoto.
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Kira Chikazane
Chikazane, the son of Kira Chikasada and the nephew of the famous daimyō Chōsokabe Motochika, was married to his cousin, Motochika’s daughter. From a young age he showed great talent and promise, but his character was marked by a quick temper and a tendency toward sharp, sometimes aggressive behavior.
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Kyōgoku Takatsugu
From the very beginning of his career, Takatsugu served under Oda Nobunaga and was married to Nobunaga’s niece, which secured him a strong position at court and close ties to one of the most powerful clans of the era. However, the events of 1582 drastically changed his fate. When Akechi Mitsuhide rebelled against Nobunaga and treacherously killed him at the Honnō-ji Temple, Takatsugu sought to take advantage of the ensuing chaos to strengthen his own standing. He launched an attack on Nagahama Castle in Ōmi Province, hoping to expand his territories. The assault, however, was repelled, and soon after, Mitsuhide was defeated by Toyotomi Hideyoshi’s forces at the Battle of Yamazaki, leaving Takatsugu without allies or support.
