Theresa Brandt (née Díaz) is the mother of Gregory Brandt, the wife of Enrique Brandt, the sister of Enriqueta Díaz, the daughter of Claudia and Ignacio Díaz, and the grandmother of Melody Brandt. She is Argentinian.
Theresa Brandt was born in 1969 to Claudia and Ignacio in Argentina. She has a sister named Enriqueta. Her family moved to New Mexico, USA when she was 16 years old. She met a Latino boy in high school when he was 17. He was Enrique. They fell in love, despite Theresa's father's disapproval. They got married in August 1989. They didn't plan on having kids until, Theresa got pregnant one day. She gave birth to their son Gregory Brandt in January 20th 2001. They moved to Watersman, California in August 2015.
- She loves her granddaughter Melody so much.