And therfore considering be this brief declaracion that youre right and title in alle this royaumes and contrees is so opyn-- [Sidenote: Mentio brevis de titulo ducatus Normandiae.
The territories retained by the Emperor from the conquests of Justinian were only the Exarchate of Ravenna, the Ducatus Romanus, and the Ducatus Neapolitanus, the extreme southern parts of the peninsula and Liguria.
Ducatus Leodiensis; or the Topography of Leedes" (1715).
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ducatus" in a variety of sentences. We hope that you will now be able to make sentences using this word.