SPRINGFIELD Mo. – A Springfield woman now serving life in prison for her part in the poisoning deaths of her father and brother and the poisoning of her sister has asked the court to vacate her sentences.

Online court records show that Rachel Staudte petitioned the court on Monday to “vacate, set aside or correct the judgement or sentence filed” in the case. She had been sentenced in March to two concurrent life sentences plus to concurrent 20-year sentences on two charges of second-degree murder, a charge of armed criminal action and a charge of armed criminal action and first-degree assault.

The court appointed the State Public Defender to represent her and granted her 60 days to file an amended motion, records show.

She had pleaded in guilty in 2014 to killing her father and brother and trying to kill her older sister. She agreed to testify against her mother who was also charged in the murders.

Her mother, Diane Staudte, 53, pleaded guilty in 2015 to second degree murder for using anti-freeze in the poisoning death of her husband, Mark, in April, 2012, to first-degree murder for the poisoning death of her son Shaun Staudte, 26, in September, 2012, and to first-degree assault for attempting to poison her daughter, Sarah Staudte, who was hospitalized in June, 2013, but survived the attempt.

Diane Staudte also was sentenced to life in prison.