Ashikaga Yoshimi

Who They Were

Ashikaga Yoshimi (足利義視) was a samurai of the Muromachi period (1336–1573), born on March 3, 1439, and died on February 15, 1491. He was the younger brother of Ashikaga Yoshimasa, the eighth shōgun of the Ashikaga shogunate. His father was Ashikaga Yoshinori, the sixth shōgun, which placed Yoshimi squarely inside the ruling family’s inner circle.

Yoshimi’s life was defined by a single, explosive fact: he was a rival to his own brother for the succession to the shogunate. That rivalry did not stay within palace walls. It escalated into a succession dispute that ignited the Ōnin War, a decade-long conflict that tore Kyoto apart and marked the beginning of the Sengoku period, the age of warring states.

Life and Career

Yoshimi was born in the eleventh year of the Eikyō era (永享), a period name that ran from 1429 to 1441. His father, Yoshinori, was assassinated in 1441, when Yoshimi was just two years old. The shogunate passed through other hands before settling on Yoshimasa, Yoshimi’s elder brother, who became shōgun in 1449.

For much of his early life, Yoshimi appears to have lived outside the direct line of succession. Yoshimasa had no son for many years, and the question of who would inherit the shogunate became urgent. Yoshimasa’s wife, Hino Yoshiko, whom Yoshimi married into the same powerful Hino clan through his own spouse, Hino Yoshiko, pressed for a different candidate. Yoshimasa initially favoured his brother Yoshimi, and in 1464, Yoshimi was formally adopted as heir. He took the name Yoshimi and prepared to succeed Yoshimasa.

The arrangement collapsed in 1465, when Yoshimasa’s wife gave birth to a son, Ashikaga Yoshihisa. Yoshimasa reversed his decision and named the infant as heir. Yoshimi, now displaced, became the figurehead for a faction of samurai who opposed Yoshimasa’s reversal. The dispute split the shogunate and the great warrior houses. On one side stood Yoshimi, backed by forces loyal to the deposed heir; on the other stood Yoshimasa, his wife, and their infant son.

The conflict erupted in 1467 as the Ōnin War. Kyoto became a battlefield, and Yoshimi fought directly against his brother’s forces. The war dragged on for over a decade, with neither side able to win a decisive victory. Yoshimi’s military fortunes fluctuated. At points he controlled parts of the capital; at others he was driven out and forced to flee. The war formally ended in 1477, but by then the shogunate’s authority had collapsed, and Yoshimi’s cause had effectively failed.

After the war, Yoshimi’s political position never recovered. He spent his final years in obscurity, dying on February 15, 1491, at the age of 51. His son, Ashikaga Yoshitane, would later become shōgun, but that restoration came after Yoshimi’s death and did not undo the damage of the succession crisis.

Why They Matter

Yoshimi matters because his claim to the shogunate was the spark that set off the Ōnin War. Without his adoption as heir in 1464 and his subsequent displacement in 1465, the factional lines that divided the samurai class might not have hardened into open warfare. The Ōnin War did not just decide who ruled Kyoto; it destroyed the city’s physical fabric and shattered the shogunate’s ability to govern the provinces.

The war also marked a turning point in Japanese history. It ended the stable order of the Muromachi period and opened the Sengoku period, a century of near-constant civil war. Yoshimi’s personal ambition, and his brother’s reversal, are the immediate human causes of that transformation. He was not a great general or a reformer; he was a claimant whose very existence made war possible.

The Name in Japanese

The name is written 足利義視 in kanji. Its kana reading is あしかが よしみ, and its romaji is Ashikaga Yoshimi.

The family name, 足利, breaks down as follows:

• 足 (あし, ashi) — “foot” or “leg.” This character appears in words like 足 (foot) and 足りる (to be sufficient).
• 利 (か, ka in this reading, though the character itself means “profit” or “advantage”) — in this name, the reading is irregular; the character 利 is more commonly read as ri or toshi. Together with 足, it forms the place name Ashikaga, a region in modern Tochigi Prefecture that gave the clan its name.

The given name, 義視, breaks down as follows:

• 義 (よし, yoshi) — “righteousness,” “justice,” or “duty.” This character is common in samurai names, especially among the Ashikaga, who used it to signal moral authority. It appears in words like 正義 (justice) and 義理 (obligation).
• 視 (み, mi) — “to see” or “to look at.” This character appears in words like 視覚 (vision) and 無視 (to ignore). In this name, it carries the sense of “one who sees” or “one who observes.”

So the full name, 足利義視, can be glossed as “Ashikaga, the righteous observer.” The name follows the standard Japanese order: family name first, given name second.

Legacy

Yoshimi’s legacy is inseparable from the war he helped start. He is remembered not as a ruler but as a catalyst. His son, Ashikaga Yoshitane, did become shōgun, serving two separate terms in the late fifteenth and early sixteenth centuries, but that restoration was brief and weak. The shogunate Yoshitane inherited was a hollow institution, and Yoshimi’s own failure to secure the succession had demonstrated how fragile the office had become.

In historical memory, Yoshimi stands as a cautionary figure: a man whose claim to power outran his ability to hold it. The Ōnin War, which his rivalry ignited, is often cited as the moment the medieval order of Japan collapsed. Yoshimi’s name is thus tied to the end of an era, not the beginning of a successful one. He died in 1491, fourteen years after the war’s formal end, having outlived the cause he fought for but not the consequences of it.