Fumai MATSUDAIRA (1751 - 1818), who was the seventh Lord of Matsue Domain, learned the Icho-ryu first and then received instruction in the Ikei-ha from Kotaku ISA the third and developed his own tea ceremony style.
松平不昧（1751年～1818年）は松江藩の7代藩主で、始めは一尾流を学び、次いで3代伊佐幸琢から怡渓派の伝授を受けて、独特の茶風に達した。