However, Soto had already died 17 years before the Kinchu tea ceremony was held, so if he had something to do with giving Rikyu the name, it would be "Rikyu Soeki" that Soto gave to Rikyu, and Rikyu only used the first name "Soeki" when he was young, and later on may have used the last name "Rikyu" on occasions when he entered the imperial palace.
しかし宗套は禁中茶会の17年前に示寂しており、彼が関わったとすれば利休が宗套から与えられたのは「利休宗易」の名であり、若年時は諱の「宗易」を使用し、後に宮中参内に際して字の「利休」を居士号としたと考えるのが自然であろう。