John Bryan Holcombe, 60, died Sunday at Sutherland Springs First Baptist Church where he was serving as a guest pastor.
He was known to friends and family at Bryan.
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Bryan's wife Karla, 58, also died on Sunday along with six other members of the Holcombe family.
Bryan's son Danny was killed, along with his 18-month-old daughter Noah.
His daughter-in-law Crystal, who was pregnant at the time of her death, also perished, as did three of her children from a previous marriage.
Crystal, a widower, had four children with her first husband.
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.