In 1308, his co-operation with the Bakufu succeeding, his fourth son's enthronement as Emperor Hanazono took place, and he again became cloistered Emperor.
During the negotiations with the Bakufu, Count Eulenburg had been assisted by Henry Heusken, a Dutch-American interpreter who usually worked for the US consul Townsend Harris.
The progenitor of this lineage of scholars was Hayashi Razan, who lived to witness his philosophical and pragmatic reasoning become a foundation for the dominant ideology of the bakufu until the end of the 19th century.
Though he was very close with Yoritomo and trusted by Tokimasa, Yoriie disliked him, and he was executed in Suruga by the bakufu army in 1200.
He believed that just as much as the emperor, the bakufu were part of the sacred political order (and that these warriors were exemplified in the archetype of Susanoo).