Original: On 12 March 1850, Hohenzollern-Hechingen officially became part of Prussia, and formed together with Hohenzollern-Sigmaringen the Hohenzollernsche Lande.
Simplified: On 12 March 1850, Hohenzollern-Hechingen officially became part of Prussia. Hohenzollern-Hechingen and Hohenzollern-Sigmaringen, which also became part of Prussia in 1850, were called the Hohenzollernsche Lande.