SB 4.1.39

क्रतोरपि क्रिया भार्या वालखिल्यानसूयत ।
ऋषीन्षष्टिसहस्राणि ज्वलतो ब्रह्मतेजसा ॥३९॥

krator api kriyā bhāryā
vālakhilyān asūyata
ṛṣīn ṣaṣṭi-sahasrāṇi
jvalato brahma-tejasā

kratoḥ - of the great sage Kratu; api - also; kriyā - Kriyā; bhāryā - wife; vālakhilyān - just like Vālakhilya; asūyata - begot; ṛṣīn - sages; ṣaṣṭi - sixty; sahasrāṇi - thousand; jvalataḥ - very brilliant; brahma-tejasā - by dint of the Brahman effulgence.

Text

Kratu’s wife, Kriyā, gave birth to sixty thousand great sages, named the Vālakhilyas. All these sages were greatly advanced in spiritual knowledge, and their bodies were illuminated by such knowledge.

Purport

Kriyā was the sixth daughter of Kardama Muni, and she produced sixty thousand sages, who were known as the Vālakhilyas because they all retired from family life as vānaprasthas.

Srimad Bhagavatam. Canto 4: Creation of the Fourth Order

Chapter 1: Genealogical Table of the Daughters of Manu. Text 39

Kratu’s wife, Kriyā, gave birth to sixty thousand great sages, named the Vālakhilyas. All these sages were greatly advanced in spiritual knowledge, and their bodies were illuminated by such knowledge.