 However, subsequent to independence of Tanzania in 1961, the patronymic unit ("kilau") is retained only for the purpose of naming the family siblings.The present administrative set up in the village consists of a "Village Chairman" with a complement of members to administer the village under the control of the local government authorities and the central government.Matengo is a "middle sized language", an offshoot of the Bantu language that is commonly spoken in the southwestern corner of Tanzania.