THE ROYAL HOUSES OF EUROPE - OLDENBURG & MECKLENBURGThe German Grand Duchies of OLDENBURG & MECKLENBURG. The Genealogy of the Oldenburg and Mecklenburg dynasties of the former Grand Duchies in northern Germany. The Oldenburg Grand Ducal line, together with its Russian off shoot. The lines of the Schwerin and Strelitz Grand Duchies of Mecklenburg, together with the Russian off shoot of the latter, with its Carlow morganatic line, which has secured the continuation of the dynasty. 193 pages. ISBN 978 0