[Tsuchida Yūko]
One of the Senke Jissoku, "The Ten Craftsmen of the House of Sen". He was Fukuro-shi, the cloth cover maker. The main work of Fukuro-shi is to create Shifuku, a pouch for Cha-ire, a ceramic container for Koi-cha, strong tea. Works also include Fukusa, a small silk cloth, Kuchi-ooi, a lid cover for Chatsubo, or tea jar, Sukiya-bukuro, a purse, or any fabric pieces. The first generation master was originally from Tsuchida Village, Gamō-gun county, in Ōmi-no kuni (today's Shiga prefecture, east of Kyoto prefecture). He moved to Oshikōji in Kyoto.
- First Generation: Yūko (1689-1765)
His name was Hanbe'e and Kanbe'e. He was the forth generation descendant of Tsuchida Shichidayū, who was Hikone (the northeast part of Shiga) feudal retainer and was said that he worked as the head of Teppō "gun" soldier group. He was the pupil of Kameoka Sōri, the tea head of Tōdō family. He was given over the family business and started to work for Joshinsai, the seventh generation tea master of Omotesenke ("Front Sen family"). Joshinsai gave the title Yūko onto him. There was a record stating that he also invited Matagensō, the eighth generation tea master of Urasenke ("Back Sen family") for his tea event. Since the first generation master, the master has been naming the common name as Hanshirō, and Yūko, after taking the tonsure.
- Second Generation: Yūko (1732-1757)
He was the child of the first generation master, yet died young while the first generation master was still in-service.
- Third Generation: Yūko (1747-1784)
He was the nephew of the first generation master. He was the eldest son of Chōjiya Kahei. Nyoshinsai gave the title name Ittokusai. He also called himself as Yūho.
- Forth Generation: Yūko (1720-1801)
Her real name was Kakujuin Sadamatsu. She was the elder sister of the second generation master. She was commonly known as Kuni.
- Fifth Generation: Yūko (1779-1825)
His titles were Nobusada and Renjo. He was the eldest son of the third generation master. Since this fifth generation master, upon the request of Ryōryōsai, the ninth generation tea master of Omotesenke "Front Sen family", the family has started to creating Fukusa, a silk cloth, in addition to Shifuku, a pouch for Cha’ire, a ceramic tea container.
- Sixth Generation: Yūko (1802-1883)
He was the child of the fifth generation master. He was very skillful at calligraphy. He wrote family confidential documents and illustrated ancient references of cloth, however, it is said that he lost them all in fire in 1864.
- Seventh Generation: Yūko (1836-1912)
He was the adopted son of the sixth generation master. His title was Chōsetsu.
- Eighth Generation: Yūko (1862-1911)
His name was Sentaro. His title was Tansetsu. He was the son-in-law of the seventh generation master. Within a month, he died after the death of the seventh generation master.
- Ninth Generation: Yūko (1893-1914)
His name was Yasujiro. He was the second son of the eighth generation master. He died young, at the age of 22.
- Tenth Generation: Yūko (1860-1940)
She was the eldest daughter of the seventh generation master. She was the wife of the eighth generation master. Her name was Asa. She was also called as Jōsetsu-in Myōyō.
- Eleventh Generation: Yūko (1904-1965)
He was the third son of the eighth generation master. His name was Ryōzō.
- Twelfth Generation: Yūko (1939- present)
He is the eldest son of the eleventh master. He succeeded to be the twelfth master in 1965.