Let me give you what information I have on my line of Sifuentes.
My gg-grandfather was Pablo Sifuentes he was m. to Apolonia Quintero. So far I know of eight childern they had, Antonio, Catarina, Jesus, Juan, Vicente, Sostenes, Trinidad and Manuel.
Sostenes was my great grandfather, he was born in Nov. 1832 in Eagle Pass Tx. he was m. twice. His first wife was Lorenza Valdes, they had three childern, Refugio, Juan and Rosa.
Sostenes' second wife (my great grandmother) was Maria Del Refujio Salgado. They were m. on Dec. 17, 1890 in Eagle Pass, Tx. They had eight childern. Apolonia, Pablo, Catalina, Sostenes, Gilberto, Alphonso, Jorge and Maria.
My grandfather Pablo was born in Eagle Pass, Tx. he m. Hermina Compos Lara on Jan. 1, 1922. They had six childern, Saul(my dad), Maria delia, Edmudo, Jesus(deceased), Hortencia and Francisco.
Maybe you'll see something in my info that looks familiar.
Look forward to hearing back form you.