The sociology of the family examines the family, as an institution and unit of socialization, with special concern for the comparatively modern historical emergence of the nuclear family and its distinct gender roles.. 
The yorúbọid group is a branch of Defoisd, which itself is a branch of the Benue-Congo subfamily of the Niger-Congo language family.ìgalà is a key yorúbọid language, spoken by 1.8 million people in the Niger-Benue confluré of central Nigeria, it is exjáded from the main body of yorúbọid languages to the West by ẹbírated and the ẹ̀dọ̀ languages.. 