High Quality Content by WIKIPEDIA articles! Marquis Toshinari Maeda (5 June 1885 ? 5 September 1942), was a Japanese general and the first commander of the Japanese forces in northern Borneo (Sarawak, Brunei, Labuan, and North Borneo) in World War II.Maeda Toshinari was born as the 5th son of the former daimyo of the Nanokaichi Domain in Kozuke province (modern Tomioka city, Gunma prefecture), Maeda Toshiaki. He was adopted as heir into the main branch of the Maeda clan in 1900. He became marquis and the 16th head of the Maeda clan on 13 June 1900.