tribal marks
... that the main purpose of the tribal marks on the face or body of the Yoruba people is for identification of a person's tribe or family?
... that the main purpose of the <b id="mwCY4"><a href="./Yoruba_tribal_marks" id="mwCY8" rel="mw:WikiLink" title="Yoruba tribal marks">tribal marks</a></b> on the face or body of the <a href="./Yoruba_people" id="mwCZA" rel="mw:WikiLink" title="Yoruba people">Yoruba people</a> is for identification of a person's tribe or family?