The Mainzer Adelsverein at Biebrich am Rhein (Verein zum Schutze Deutscher Einwanderer in Texas; "Society for the Protection of German Immigrants in Texas"), better known as the Mainzer Adelsverein (German pronunciation: [ˈmaɪntsɐ ˈʔaːdl̩sfɛʁˌʔaɪn]; "Nobility Society of Mainz"), organized on April 20, 1842, was a colonial attempt to establish a new German settlement[1] within the borders of Texas.[2]