Uesugi Kagekatsu was born into the Nagao clan of Ueda, the son of Nagao Masakage. After Masakage's death, Kagekatsu was adopted by his uncle, Uesugi Kenshin, as his mother, Aya Gozen, was Kenshin’s elder sister. When Kenshin passed away suddenly in 1578, Kagekatsu found himself entangled in a power struggle with his stepbrother/cousin, Uesugi Kagetora, also adopted by Kenshin.
On March 17, 1578, Kagekatsu besieged Kagetora’s castle at Otate, resulting in its swift fall and Kagetora's forced seppuku. With this victory, Kagekatsu asserted his full inheritance and leadership over the Uesugi clan.
Aligned with the Toyotomi clan, Kagekatsu participated in military campaigns at Odawara and in both Korean Campaigns. His loyalty and competence earned him Aizu Domain and an income of 1.2 million koku. Highly esteemed by Hideyoshi, Kagekatsu was appointed as one of the Council of Five Elders.
Following Hideyoshi’s death in 1598, Kagekatsu observed as Tokugawa Ieyasu, another councilor, moved to divide the council members and the nation into East and West factions. Kagekatsu was among the first daimyo to oppose Ieyasu's actions, remaining loyal to the Toyotomi clan and supporting Ishida Mitsunari against the Tokugawa.
Kagekatsu's fortification of a castle at Aizu and the mobilization of troops drew the attention of Ieyasu, who marshaled a formidable force of 50,000 soldiers against the Uesugi. This move was likely part of Ishida Mitsunari's strategy to divert Ieyasu's attention from the Western loyalists. However, Ieyasu sensed the ploy and redirected his forces towards Sekigahara.
After the Western forces' defeat at Sekigahara, Kagekatsu aligned himself with the Tokugawa. He was granted the domain of Yonezawa with an income of 300,000 koku. Kagekatsu fought for the Tokugawa in the Osaka campaigns of 1614 and 1615.
Uesugi Kagekatsu passed away on April 19, 1623, in Yonezawa at the age of 67.
See also
-
Yamagata Masakage
Masakage was one of Takeda Shingen’s most loyal and capable commanders. He was included in the famous list of the “Twenty-Four Generals of Takeda Shingen” and also belonged to the inner circle of four especially trusted warlords known as the Shitennō.
-
Yagyu Munenori
Yagyū Munenori began his service under Tokugawa Ieyasu while his father, Yagyū Muneyoshi, was still at his side. In 1600, Munenori took part in the decisive Battle of Sekigahara. As early as 1601, he was appointed a kenjutsu instructor to Tokugawa Hidetada, Ieyasu’s son, who later became the second shogun of the Tokugawa clan.
-
Yagyu Muneyoshi
A samurai from Yamato Province, he was born into a family that had been defeated in its struggle against the Tsutsui clan. Muneyoshi first took part in battle at the age of sixteen. Due to circumstances beyond his control, he was forced to enter the service of the Tsutsui house and later served Miyoshi Tōkei. He subsequently came under the command of Matsunaga Hisahide and in time became a vassal first of Oda and later of Toyotomi.
-
Endo Naozune
Naozune served under Azai Nagamasa and was one of the clan’s leading vassals, renowned for his bravery and determination. He accompanied Nagamasa during his first meeting with Oda Nobunaga and at that time asked for permission to kill Nobunaga, fearing him as an extremely dangerous man; however, Nagamasa did not grant this request.
-
Hosokawa Sumimoto
Sumimoto came from the Hosokawa clan: he was the biological son of Hosokawa Yoshiharu and at the same time the adopted son of Hosokawa Masamoto, the heir of Hosokawa Katsumoto, one of the principal instigators of the Ōnin War. Masamoto was homosexual, never married, and had no children of his own. At first he adopted Sumiyuki, a scion of the aristocratic Kujō family, but this choice provoked dissatisfaction and sharp criticism from the senior vassals of the Hosokawa house. As a result, Masamoto changed his decision and proclaimed Sumimoto as his heir, a representative of a collateral branch of the Hosokawa clan that had long been based in Awa Province on the island of Shikoku. Almost immediately after this, the boy became entangled in a complex and bitter web of political intrigue.
-
Honda Masanobu
Masanobu initially belonged to the retinue of Tokugawa Ieyasu, but later entered the service of Sakai Shōgen, a daimyo and priest from Ueno. This shift automatically made him an enemy of Ieyasu, who was engaged in conflict with the Ikkō-ikki movement in Mikawa Province. After the Ikkō-ikki were defeated in 1564, Masanobu was forced to flee, but in time he returned and once again entered Ieyasu’s service. He did not gain fame as a military commander due to a wound sustained in his youth; nevertheless, over the following fifty years he consistently remained loyal to Ieyasu.
-
Honda Masazumi
Masazumi was the eldest son of Honda Masanobu. From a young age, he served Tokugawa Ieyasu alongside his father, taking part in the affairs of the Tokugawa house and gradually gaining experience in both military and administrative matters. At the decisive Battle of Sekigahara in 1600, Masazumi was part of the core Tokugawa forces, a clear sign of the high level of trust Ieyasu placed in him. After the campaign ended, he was given a highly sensitive assignment—serving in the guard of the defeated Ishida Mitsunari, one of Tokugawa’s principal enemies—an obligation that required exceptional reliability and caution.
-
Hojo Shigetoki
Hōjō Shigetoki, the third son of Hōjō Yoshitoki, was still very young—only five years old—when his grandfather Tokimasa became the first member of the Hōjō clan to assume the position of shogunal regent.
