After helping the congregation in San Miguel de Allende , Rubén and his family served as pioneers in the town of Guanajuato , in central Mexico , where they helped to form an English - language congregation of more than 30 publishers .
After helping the congregation in San Miguel de Allende , Ruben and his family served as pioneers in the town of Guanajuato , in central Mexico , where they helped to form an English - language congregation of more than 30 publishers .