Complex sentence: Descended from a blacksmith, its members adopted the particle "von" in 1795 and were ennobled in 1891, becoming part of the lower nobility in Mecklenburg.
Split into simpler sentences: Descended from a blacksmith, its members adopted the particle "von" in 1795 and their right to use this name was confirmed in 1891. The family thus became part of the lower nobility in Mecklenburg.