duarte families

can anyone tell me about the duarte families while rereading notes and or family search records my line is looking to be as follows:

Francisco Duarte
7th great-grandfather
Benancio Duarte
son of Francisco Duarte
Jose Ponciano Duarte (1809 - 1862)
son of Benancio Duarte
Maria Aleja Duarte
daughter of Jose Ponciano Duarte
Romualdo Coronado (1849 - 1916)
son of Maria Aleja Duarte
Francisco Coronado (1869 - )
son of Romualdo Coronado
Felisitas Coronado (1896 - 1974)
daughter of Francisco Coronado
John Coronado Martinez (1930 - 1994)
son of Felisitas Coronado
Johnny S. Martinez (1950 - )
son of John Coronado Martinez
Stephanie L. Martinez
You are the daughter of Johnny S. Martinez

however i havent found anything concerning my th great grandparents names as francisco duarte and or juana maria de los santos. the family search record was found here as noted: COPY
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Francisco Duarte
mentioned in the record of Jose Venancio Duarte and Maria Antonia Rodriguez
Name Francisco Duarte
gender Male
Wife Juana Maria De Los Santos
Son Jose Venancio Duarte
Other information in the record of Jose Venancio Duarte and Maria Antonia Rodriguez
from Mexico Marriages
Name Jose Venancio Duarte
Spouse's Name Maria Antonia Rodriguez
Event Date 06 Jan 1799
Event Place La Purisima Concepcion,Catorce,San Luis Potosi,Mexico
Father's Name Francisco Duarte
Mother's Name Juana Maria De Los Santos
Spouse's Father's Name Ynosencio Rodriguez
Spouse's Mother's Name Maria Juliana Mata

im stuck in this area also for road blocks sighs and would like to know the histories of these families