What is the birth name of Mandy Teefey?

Amanda "Mandy" Teefey, born April 16, 1976, is the mother of Selena Gomez. She was married to Ricardo Gomez (Selena's dad) from 1992 to 1997 and Selena was born in 1992. Amanda married Brian Teefey (Selena's stepdad) in 2006. One of Selena's half-sisters, Gracie Teefey, was born on June 12, 2013.