Martina was born in Sharon, Kansas, where her parents, Daryl and Jeanne Schiff, owned a dairy farm. She is the third of four children. She has an older brother, Steve, and an older sister, Gina. Her younger brother Martin, called Marty, plays in her band. She discovered country music through her father, who led a local band called the Schiffters. The band rehearsed every week in the family’s house.