Skandapurana 5.51.16

5.51.16

athavā ye tvayā tasya vihitāḥ śapathāḥ śubhe ..
te saṃtu mama tiṣṭha tvaṃ tasmādatraiva gokule .. .. 15 1.
nāsti mātṛsamo bandhurbālānāṃ kṣīrajīvinām ..
nāsti mātṛsamo nātho nāsti mātṛsamā gatiḥ .. 16 ..

Or else, whatever oaths were made by you to him, O auspicious one, / let them be upon me! Therefore, you stay right here in the herd. 15. / There is no kinsman equal to a mother for young ones living on milk; / there is no protector equal to a mother; there is no refuge equal to a mother. 16.