Dougherty, 29, was arraigned in Huerfanou County in Walsenburg on charges that include attempted murder and assault.
She is scheduled to stand trial Feb. 12. Ryan and Dylan Dougherty will be in court for a disposition hearing Nov. 28, KRDO-TV in Colorado Springs, Colo., reported.
The three siblings, referred to in some media reports as the Dougherty Gang, allegedly went on a brief but high-profile crime spree in August. They allegedly robbed a bank in Georgia and traded shots with police in their home state of Florida before being captured at the end of a high-speed chase along Interstate 25 in rural Colorado.