Banu Yam
The tribe of Yam was also the progenitor of two other important tribes: the Al Murrah and the 'Ujman of eastern Saudi Arabia and the Persian Gulf coast . 
<triplet> Al Murrah <subj> tribe <obj> instance of <triplet> 'Ujman <subj> tribe <obj> instance of <triplet> Saudi Arabia <subj> Persian Gulf <obj> located in or next to body of water <triplet> Persian Gulf <subj> Saudi Arabia <obj> basin country