was elected doge and took the title magister militum, consul et imperialis dux Veneciarum provinciae 'master of the soldiers, consul and imperial duke of the province of Venice'. Doge Justinian Partecipacius (d. 829) used the title imperialis hypatus et humilis dux provinciae Venetiarum 'imperial hypatos and humble duke of Venice'.

These early titles combined Byzantine honorifics and explicit reference to Venice's