Cortez Alvarado helping the Ybarra family

I need help...I'm trying to help my brother-in-law locate his g grandfather...Juan Ybarra......just trying to find out where he was born.

Manuel Ybarra married Elisa Ybarra in Dallas Tx . Manuel was born in Kaufman Tx on 1920. He had a brother named Birginio Ybarra born in 1927.

Their parents were Juan R Yabarra and Apolinaria Pena. Juan was born in Mexico but we can not find out where he was born. Juan's father was

Apolinario Ybarra or Abolinario Ybarra born in Mexico too we guess. Apolinario's wife only has a name of "Espiririona" not sure if this is a last name or a first name.

We got a hold of Juan Ybarra's Death certificate and this is where it says that his parents were Abolinario Ybarra and Espiririona.

Can anyone help.

Thanks