The date on the grave marker is not Bibiana's (Viviania) birth date but her death date. Her birth was 14 November 1884 Sabinal New MexicoThe M stands for Moreno. She was the daughter of Emeterio Moreno and Maria Nuanez. Her husband was Redolfo (Rudolfo) Pena. Their Children wereTrinidad, Perfecto, Cruz, Tranquilliano,Urbana,Rudolfo,Epiminio, Jose Manuel, Becky, Marta (2?) Note the grave marker reads "Beloved Mother". She died in childbirth and there was also a child born on this date who was still born and unnamed according to AZ birth and death records.