Crystal Holcombe, 36, was a widow who remarried John Holcombe.
She was almost 4 months pregnant with the couple's first child together when she was shot and killed inside Sutherland Springs First Baptist Church.
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John released a statement Wednesday referring to the baby as Carlin Brite "Billy Bob" Holcombe in reference to Crystals two name choices depending on the sex of the baby and the name his step-children used for the baby.
John was in church Sunday morning with Crystal, and her four children, parents and brother and sister-in-law.
Eight members of the Holcombe family died in the shooting.
The children, 13-year-old Greg Hill, 11-year-old Emily Hill, and 8-year-old Megan Hill, were killed inside the church, 6-year-old Evelyn was taken to University Hospital but is in stable condition.
John’s parents, Bryan and Karla Holcombe, were also killed inside the church, as well as his brother in law Danny Holcombe and Danny's 18-month-old daughter Noah Holcombe.