Terazawa Hirotaka

Terazawa Hirotaka (1563–1633) was a warrior who distinguished himself as a magistrate under Toyotomi Hideyoshi, particularly excelling in diplomatic negotiations and logistics during the Korean campaigns. At the Battle of Sekigahara, he sided with Tokugawa Ieyasu's eastern forces and was rewarded with Amakusa, bringing his total domain to approximately 120,000 koku when combined with Karatsu in Hizen. He built Karatsu Castle and established the foundations of domain governance, also investing in foreign trade and agricultural development. However, during the reign of his son Katataka, harsh taxation of peasants and suppression of Christianity became contributing factors to the Shimabara Rebellion (1637–1638). Though Katataka was stripped of his domain and ordered to commit seppuku for his role in the rebellion, Hirotaka's own rule was relatively peaceful and known for water control and land reclamation projects. Regarding swords, as a diplomatic magistrate of the Toyotomi regime, he frequently handled celebrated blades as diplomatic gifts, and through connections with nanban (European) trade, it is said he developed considerable knowledge of foreign sword-making techniques.