Metropolitan archbishops historically wielded great administrative powers over the suffragan dioceses. Further suffragan bishoprics exist in Irkutsk, Novosibirsk and Saratov. He was ordained by suffragan bishop Marcus Lyresius. The diocesan Bishop is usually assisted by a suffragan Bishop of Repton (currently vacant). The bishopric of Kos was a suffragan of the metropolitan see of Rhodes. Cambrai is the seat of a Catholic archbishopric, suffragan of Lille since 29 March 2008. Nisyrus was a suffragan of Rhodes, but the bishopric faded. Keith Sinclair is the suffragan Bishop of Birkenhead. Within Australia the church hierarchy is made of metropolitan archdioceses and suffragan sees. Dionysias then was a diocese with a suffragan bishop from Bosra. This diocese was a suffragan of the archdiocese of Trondheim. The other bishops are known as suffragan bishops. The historic diocese was a suffragan of the archdiocese of Urbino. Also there were 25 vicars (suffragan bishops). The suffragan or Area Bishop of Kingston is the Rt Rev Dr Richard Cheetham.