tea room, the . Headmasters () All three major schools of Japanese tea ceremony share their first three generations of headmasters, known as the . is their mutual first generation and family founder (), with his adopted son-in-law, as their shared second generation , and 's son, , as their shared third generation . From the fourth generation onwards, the three family lineages divide, with the heads of each family carrying the professional hereditary name used by the successive heads of their respective family. Upon succession to the position of of the family and its school of , the new assumes the professional name of , and is officially referred to as . The current head of the school of tea is , the 16th generation of the family, and is referred to as XVI. Urasenke Foundation The Urasenke Foundation () is an incorporated foundation originally registered by the Japanese government in 1949, during the era of the 14th generation grand master of . Its stated purpose is to preserve and foster the cultural heritage of , with its activities including the maintenance and management of the estate and cultural assets, and the support of research and public education regarding the study of tea ceremony. Its administrative office, together with that of the Federation, is located within the five story Center building located a short distance west of the historical compound. Center Research Center Library Branches The Urasenke Tokyo Branch () was originally established in 1957 in Tokyo's ward, moving to its present quarters in the section of Tokyo's ward in 1995. This facility serves as the hub of the activities sponsored by the head house in Japan's capital. Various training courses and special events held at are also held here, for the convenience of participants living in Eastern Japan. The main building contains replicas of the and tea rooms at . The Tokyo Branch is the only branch in Japan. From the mid-1960s onwards, XV () began to dispatch qualified instructors to live overseas and, operating out of Foundation branch offices or liaison offices, to teach the growing numbers of individuals who desired to pursue the practice of . The dates and places to which the teachers were dispatched and thus an branch or liaison office was established were as follows: 1966, September. Hawaii (Honolulu), and Boston 1967, September. New York 1969, August. Rome, Italy 1972, June. Munich, Germany,