Career
Once the ruler of Tosa Province, his fief was revoked by Tokugawa Ieyasu after the Battle of Sekigahara. Morichika was the fourth son of Chōsokabe Motochika, the daimyo of the Chosokabe family and vassal of Toyotomi Hideyoshi. Great-Grandfather: Chōsokabe Kantesugu (died 1508)
Grandfather: Chōsokabe Kunichika (1504-1560)
Father: Chōsokabe Motochika (1539-1599)
Brothers:
Chōsokabe Nobuchika (1565-1587)
Chōsokabe Chikatada (1572-1600).
