Sakuma Morishige, also known as Daigaku, served as a samurai and held mastery over Gokiso Nishi Castle, which is now known as Biyo Shrine in Nagoya City, during the Sengoku (Warring States) period. Initially, he served under Oda Nobunaga’s younger brother, Nobuyuki, and later directly under Nobunaga himself. His presence is documented in the Shincho-Koki, the Chronicles of Lord Nobunaga, where he is noted to have attended the funeral of Oda Nobuhide, Nobunaga’s father, in 1552.
Before the Battle of Ino in 1556, where Nobunaga clashed with his brother, Nobunaga erected Fort Nazuka in Nishi-ku, Nazuka, Nagoya City, placing Sakuma Morishige in charge. During this conflict, Sakuma notably claimed the head of Hashimoto Juzo, a general under Oda Nobuyuki, earning him significant rewards.
Prior to the pivotal Battle of Okehazama in 1560, Morishige was appointed as the castellan of Marune Castle, located in Nagoya City’s Midori Ward. This castle served as a crucial border post in the defense against the forces of the Imagawa clan. It was Sakuma who first alerted Nobunaga to the fortress being under attack.
Marune Castle found itself besieged by the forces commanded by Matsudaira Motoyasu, who would later gain renown as Tokugawa Ieyasu. At the time, Ieyasu was still a hostage of the Imagawa clan until his liberation following the demise of Imagawa Yoshimoto. Employing the newly introduced matchlock guns, which had swiftly gained favor among the samurai class, Ieyasu launched repeated attacks on the small castle. Tragically, on June 11, 1560, Morishige was struck by a bullet and killed instantly. The castle subsequently fell to Ieyasu and the advancing Imagawa forces. Shortly after this event, Oda Nobunaga and his troops would defeat Imagawa Yoshimoto, granting Ieyasu the freedom to return to his hometown of Okazaki.
See also
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Asakura Toshikage
The Asakura family, who claimed kinship with several emperors, lived in the province of Echizen. Its representatives were considered hereditary vassals of the Shiba clan. From the mid-15th century until their defeat by Oda Nobunaga's army in 1573, which resulted in the final destruction of the Asakura clan, they were a significant military and economic force.
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Asakura Yoshikage
Yoshikage was the eldest son of Asakura Takakage. He began ruling in 1548 at the age of fifteen, and during his reign he twice defeated the Ikko-ikki forces, in 1555 and 1564. Yoshikage supported the Saito family in their struggle against Oda Nobunaga in 1561–1567. When Ashikaga Yoshiaki fled Kyoto in 1565 after the assassination of his older brother, Shogun Ashikaga Yoshiteru, Yoshikage gave him refuge. However, he was unable to provide sufficient support for Yoshiaki's claim to the title of shogun, and Yoshiaki had to seek help from Oda Nobunaga.
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Asakura Norikage
Norikage came from the ancient samurai clan of Asakura, whose members considered themselves descendants of Prince Kusakabe, son of Emperor Tenmu (631–686). He was the eighth son of daimyo Asakura Takakage and was named Kotaro in childhood. Over time, Asakura Norikage became the pillar of the Asakura clan and was undoubtedly its most talented commander during that difficult period when the clan was experiencing internal difficulties, uprisings by the Ikko-ikki sect, and instability in the lands surrounding the capital. Although Norikage himself was never a daimyo, he served as an advisor to three generations of Asakura clan leaders. He spent his entire life on military campaigns. After his father's death in 1481, Norikage entered the service of his brother, Asakura Ujikage.
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Asai (Azai) Nagamasa
Asai Nagamasa inherited power from his father, Asai Hisamasa, when he was only fifteen years old. Both brave and impulsive, he proved himself a capable commander, managing to regain lands from the Rokkaku clan that had previously been lost by his father. After a territorial dispute with Oda Nobunaga over the province of Mino, Nagamasa formed an alliance with Nobunaga and married his sister Oichi, who was famous for her beauty. In 1570, when Oda Nobunaga declared war on the Asakura family, Nagamasa sided with the Asakura because he had long-standing ties with them. This unexpected move threatened Nobunaga's invasion of the Asakura lands by threatening him from the rear. Oda managed to save his army, not without the help of Tokugawa Ieyasu, but relations between Nobunaga and Asai were permanently damaged.
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Amano Yasukage
Yasukage was born into the family of the samurai Amano Kagetaka and was given the name Matagoro at birth. He later changed his name to Kageyoshi, and then to Yasukage. From an early age, Yasukage served Tokugawa Ieyasu and accompanied him when he was held hostage by Imagawa Yoshimoto. His loyalty and devotion to Ieyasu from a young age laid the foundation for Yasukage's future military and administrative career.
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Amago Tsunekisa
The Amago clan (also spelled Amako) was founded in 1392, when Sasaki Takahisa, who was orphaned at the age of three, took the new surname Amago, meaning “son of a nun,” in honor of the nun who raised him. Since the Sasaki family descended from Emperor Uda (866–931), the Amago clan traced its lineage back to this emperor. From around 1396, the Amago clan's headquarters was the mountain castle of Gassan-Toda in Izumo Province. Until the start of the Onin War, the Amago clan remained a minor clan in the service of the Kyogoku clan, which was also a descendant of the Sasaki clan. The Amago clan historically held the position of vice-governor of Izumo Province.
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Abe Masakatsu
Masakatsu came from the ancient Abe clan, whose progenitor, according to the Nihon Shoki chronicle, is considered to be Prince Ohiko-no-mikoto (2nd century BC), son of Emperor Kogen. From the Nara period (710–784), members of the Abe clan held high positions in the government, including at the ministerial level, and from the Heian period (794–1185) onwards, the clan gained widespread fame, which continued until the Edo period.
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Toyotomi Hidenaga
Toyotomi Hidenaga was an outstanding military commander and strategist of his time, who was unjustly overshadowed by his half-brother, the great Toyotomi Hideyoshi. At different stages of his life, he was known by the names Kinoshita Koichiro, Hashiba Nagahide, and Hashiba. Despite his relative obscurity among the general public, Hidenaga was considered one of the best minds of his time, on par with the renowned Kuroda Kanbei.
