Shiva Purana
वसिष्ठपुत्राः सप्तासन्वासिष्ठा इति विश्रुताः॥ हिरण्यगर्भस्य सुता ऊर्जा नाम महौजसः ॥ १९॥
The seven sons of Vasishta were known as Vasishta Hiranyagarbha had a daughter named Urja who was very powerful.
english translation
vasiSThaputrAH saptAsanvAsiSThA iti vizrutAH॥ hiraNyagarbhasya sutA UrjA nAma mahaujasaH ॥ 19॥
hk transliteration by Sanscript