It was November 8 when Getz ran a stop sign on Gardner Road in Grundy County and slammed into a car driven by 27-year-old Amanda Jahn.
The crash killed Jahn, her 3-year-old son Ryan and 11-month-old daughter Kaitlyn.
Getz must serve 20 years of her sentence.
Prosecutors were pushing for the maximum sentence of 28 years.
