One verse

Srimad Bhagavatam 3.6.29

3.6.29

तार्तीयेन स्वभावेन भगवन्नाभिमाश्रिता: । उभयोरन्तरं व्योम ये रुद्रपार्षदां गणा: ॥ २९ ॥

tartiyena svabhavena bhagavan-nabhim asritah ubhayor antaram vyoma ye rudra-parsadam ganah

tartiyena
by excessive development of the third mode of material nature, the mode of ignorance
svabhavena
by such nature
bhagavat-nabhim
the abdominal navel of the gigantic form of the Personality of Godhead
asritah
those who are so situated
ubhayoh
between the two
antaram
in between
vyoma
the sky
ye
all of whom
rudra-parsadam
associates of Rudra
ganah
population.

Living entities who are associates of Rudra develop in the third mode of material nature, or ignorance. They are situated in the sky between the earthly planes and the heavenly planes.