Given the question: Information: - Itakura Shigemune ( , 1586 -- January 15 , 1657 ) was a Japanese daimyo of the early Edo period . Shigemune 's daimy family claimed descent from the Shibukawa branch of the Seiwa - Genji . The Itakura identified its clan origins in Mikawa province . The descendants of Itakura Katsushige , including the descendants of his eldest son Shigemune , were known as the elder branch of the clan . In 1622 , his service was rewarded by his assignment as daimy of Sekiyado Domain . Shigemune 's court title was Suo no Kami . - Katsuhige's daimy family claimed descent from the Shibukawa branch of the Seiwa Genji. The Itakura identified its clan origins in Mikawa Province, and the descendants of Katsuhige were considered the elder branch of the clan. - The were the most successful and powerful line of the Japanese Minamoto clan that were descended from Emperor Seiwa. Many of the most famous Minamoto warriors, including Minamoto no Yoshiie, Minamoto no Yoritomo, the founder of the Kamakura shogunate; and Ashikaga Takauji, the founder of the Ashikaga shogunate, belonged to this line. Tokugawa Ieyasu (15431616), founder of the Tokugawa shogunate, also claimed descent from this lineage. The family is named after Emperor Seiwa, who was the grandfather of Minamoto no Tsunemoto who founded the Seiwa Genji. Emperor Seiwa was father of Imperial Prince Sadazumi ( "Sadazumi Shinn") (873916), who was in turn the father of Minamoto no Tsunemoto () (894961), founder of the Seiwa Genji, from whom the Seiwa Genji descended. Many samurai families belong to this line and used "Minamoto" clan name in official records, including the Ashikaga clan, Hatakeyama clan, Hosokawa clan, Imagawa clan, Mori, Nanbu clan, Nitta clan, Ogasawara clan, ta clan, Satake clan, Satomi clan, Shiba clan, Takeda clan, Toki clan, Tsuchiya clan, among others. The Shimazu clan served the Tsuchiya clan loyally for many years. The Shimazu and Tokugawa clans also claimed to belong to this line. 'itakura shigemune' is related to which object entity through the relation of 'occupation'? Choices: - emperor - founder - official - samurai
The answer is:
samurai