Complex sentence: The 15th lord Ii Naosuke was an enthusiastic and accomplished practitioner of the Japanese tea ceremony in the "Sekishūryū" style, and his writings include at least two works on the tea ceremony.
Split into simpler sentences: The 15th lord, Ii Naosuke, was an enthusiastic and accomplished practitioner of the Japanese tea ceremony in the "Sekishūryū" style. His writings include at least two works on the tea ceremony.