In 1771 he had the manor expanded into a castle and princely seat .
In 1768 , Charles purchased the landed property and village of Offenbach - Rumpenheim from the Edelsheim family .
In 1771 Charles had the manor expanded into a castle and princely seat .
In 1768 , Charles purchased the landed property and village of Offenbach - Rumpenheim from the Edelsheim family .