Nate Fox, 27, is charged with murder in the death of Melissa Eason, 27.
The alleged murder took place in New Braunfels, where the couple was living. New Braunfels is a city in the greater San Antonio area.
Eason was found dead around 2 p.m. on New Year’s Day on the floor of the apartment the couple shared.
Police believe she was strangled, based on the preliminary results of an autopsy.
Eason was found after police were asked to check on her welfare by a relative of Fox.