Moñino (2010), followed by Blench (2012), propose that they may instead be most closely related to the Central Gur languages, or perhaps constitute an independent branch of Niger–Congo, but that they do not form a group with Ubangian.
The scholars Moñino (2010) and Blench (2012) propose that these languages may be most closely related to the Central Gur languages or perhaps constitute an autonomous subgroup within Niger-Congo, but they do not suggest a relationship with Ubangian.