He became lord of Kururi, a 20,000 koku domain, in 1612. Three years later, at the age of 8, he served in the Osaka Summer Campaign. He was also named Minbu-no-shô in 1621, but suffered from many illnesses and lived a relatively retired life.
- Arai Hakuseki, Joyce Ackroyd (trans.), Told Round a Brushwood Fire, University of Tokyo Press (1979), 309n5.