Banu Yam
The Yam are notable among the tribes of Saudi Arabia for the majority of its members who follow the small Sulaymani Isma'ili branch of Shi'ite Islam . 
<triplet> Isma'ili <subj> Shi'ite <obj> subclass of <triplet> Shi'ite <subj> Isma'ili <obj> has part <subj> Islam <obj> subclass of