▁R aja ▁Ja af ar ▁is ▁perce ived ▁to ▁be ▁dominant ▁when ▁he ▁acted ▁as ▁the ▁reg ent ▁of ▁the ▁s ultan ate . ▁Yang ▁Di per tu an ▁M uda ▁R aja ▁Ja af ar ▁is ▁responsible ▁for ▁the ▁crow ning ▁of ▁Abd ul ▁Rah man ▁and ▁highly ▁influ ential ▁during ▁the ▁neg ot iation ▁with ▁the ▁Dutch ▁and ▁English ▁powers ▁during ▁the ▁succession ▁dispute ▁between ▁T eng ku ▁Hus sein ▁and ▁T eng ku ▁Abd ul ▁Rah man . ▁ ▁Res ident ▁For ▁the ▁her edit ary ▁position ▁of ▁the ▁Sultan , ▁the ▁s ultan ▁was ▁fully ▁subject ed ▁under ▁the ▁influence ▁of ▁the ▁Dutch ▁East ▁Ind ies ▁authority . ▁Al beit ▁he ▁is ▁de ▁j ure ▁on ▁the ▁a pe x ▁of ▁the ▁mon archy ▁system , ▁he ▁is ▁under ▁the ▁direct ▁control ▁of ▁the ▁Dutch ▁Res ident ▁in ▁Tan j ung ▁Pin ang . ▁All ▁matters ▁per tain ing ▁the ▁administration ▁of ▁the ▁s ultan ate ▁including ▁the ▁appointment ▁of ▁the ▁Sultan ▁and ▁the ▁Yang ▁Di per tu an ▁M uda , ▁must ▁be ▁made ▁within ▁the ▁knowledge ▁and ▁even ▁the ▁consent ▁of ▁the ▁Dutch ▁Res ident . ▁ ▁List ▁of ▁office ▁bear ers ▁ ▁S ult ans ▁of ▁R ia u ▁ ▁Yang ▁di - P ert uan ▁M uda ▁of ▁R ia u ▁ ▁National ▁symbol ▁ ▁Fl ags ▁of ▁the ▁R ia u - L ing ga ▁Sultan ate ▁The ▁earlier ▁flag ▁of ▁R ia u ▁Sultan ate ▁was ▁established ▁on ▁ 2 6 ▁November ▁