Further evidence was presented by Blench (2018). The following classification is taken from Blench (2008). These claims have been picked up by anthropologist and linguist Roger Blench (1999). According to Blench (2006), Tahaggart and Ghat are distinct Tuareg languages. Below is a list of language names, populations, and locations from Blench (2019). Roger Marsh Blench (born 1953) is a British linguist, ethnomusicologist and development anthropologist. Below is a list of Ijaw language names, populations, and locations from Blench (2019). Blench (2012) suggests that Western Beboid may belong in Grassfields. Blench (2006) considers these two varieties to be distinct languages. Below is a comprehensive list of Angas language names, populations, and locations from Blench (2019). Roger Blench (2008&colon; 4) classifies the Cross River languages as follows. Blench (2012) treats the Burun languages as a fourth subgroup of Nilotic. Blench (2006) believes Pidlimdi (Hinna) dialect is a separate language. However, of these, Blench (2012) accepts only Gula. Aikhenvald & Militarev (1984) and Blench (2006) consider Sokna and Fezzan to be separate languages.