All three victims were taken to a hospital, where the woman was revived Sunday afternoon. Officials said she died Monday at Integris Baptist Medical Center.
The father of the boys, Timothy Terry, said in a statement Monday that they will be greatly missed. He said they always will be with him in his heart and memories.
He said the boys were a great joy to be around, and they never had a dull moment.
“Always happy and smiling and playful little boys,” he said in the statement.
Investigators returned to the apartment complex Monday morning and determined the fire started in a living room hallway.
Richardson said the cause is unknown, but there is no reason to think any criminal wrongdoing caused the fire.
At least eight units were damaged. The fire caused about $250,000 damage, Richardson.
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Anyone in need of assistance can call the American Red Cross of Central Oklahoma at