Skandapurana 16.21.4

16.21.4

sapta viśatiṃ somāya catasro'riṣṭanemine ..
dve caiva bhṛguputrāya dve kṛśāśvāya dhīmate .. 4 ..

Twenty-seven to the Moon, and four to Ariṣṭanemi;
Two to the son of Bhṛgu, and two to the wise Kṛśāśva;