You didn't mention when or where any of these folks were born.
Is this the correct family?
1900 Cerrilos, Santa Fe, New Mexico
Juan E. Segura, b. NM Jan 1853, marr 18 yrsm laborer.
Paula J., wife, b. NM June 1862, had given birth to nine children but only six alive in 1900.
Manuel, b. NM Feb 1883, day laborer.
Gregoria, b. NM Feb 1888.
German, b. NM May 1891.
Ambrosio, son, b. NM Mar 1895.
Jose M., b. NM April 1897.
Carmencita, b. NM, 10/12ths.