Vaishnava Samhita. Karmatha Devi Charitam. Vol II Book VI Chp 5 Shloka 8

कर्मठा नाम विख्यात काचिदासीत् कुटुम्बिनी 
विधवा युवतिश्चैवं साध्वी सर्वगुणान्विता   ||

There was a woman of high birth named Karmatha. She was a young maiden. She was adorned with noble qualities and a calm disposition.