Personnalité historique

Hōjō Sōun

Founder of the Later Hōjō · Lord of Izu and Sagami

Hōjō Sōun (1432-1519), known during his lifetime as Ise Shinkurō Nagauji and then Ise Sōzui, is often presented as the first “daimyō of the Sengoku period”. Descended from a branch of the Ise family in the service of the Ashikaga shoguns, he rose within the entourage of the Imagawa of Suruga before conquering Izu Province (1491-1493), where he made Nirayama Castle his base. Around 1495, he seized Odawara Castle from Ōmori Fujiyori: for nearly a century the fortress served as the capital of the lineage he founded, the Later Hōjō. In 1516, the fall of Arai Castle and the elimination of the Miura clan gave him the whole of Sagami Province. He died at Nirayama in 1519; his son Ujitsuna adopted the name Hōjō, under which the founder is remembered by posterity.

Portrait de Hōjō Sōun
Naissance1432 (date discutée, parfois 1456)
Décès1519, château de Nirayama (Izu)
FonctionFounder of the Later Hōjō · Lord of Izu and Sagami
MaisonClan Ise / Go-Hōjō
ÉpoqueSengoku period
Histoire & patrimoine

From Izu to Odawara

Starting from a modest castle received from the Imagawa, Sōun takes advantage of the turmoil in the Kantō to seize Izu, then crosses the Hakone mountains to capture Odawara, a stronghold controlling the road between eastern and western Japan. This capture gave the Hōjō the base from which they would dominate the whole of the Kantō for a century.

Château d'OdawaraChâteau d'Odawara
Frise chronologique

Repères dans sa vie

1432

Birth (according to the traditional dating; some historians propose 1456).

1491-1493

Conquest of Izu Province; Nirayama Castle becomes his base.

vers 1495

Capture of Odawara Castle from Ōmori Fujiyori.

1516

Capture of Arai Castle, destruction of the Miura clan and control of the whole of Sagami Province.

1519

Death at Nirayama Castle; buried at Sōun-ji in Hakone-Yumoto.

Patrimoine associé

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Hōjō Sōun dans l’histoire

A name given after his death

The founder never bore the name Hōjō himself: known as Ise Shinkurō and then, after taking monastic vows, as Sōzui (Sōun-an Sōzui), he received the name Hōjō Sōun from his son Ujitsuna, who linked the lineage to the prestigious Hōjō clan of the Kamakura period.

Documentation

Sources de la fiche

Cette synthèse croise plusieurs sources pour documenter les lieux, événements et relations historiques.