Matsyapurana 171.41

171.41

prakṛṣṭāśca tathā māyāḥ surabhyāḥ paśavo 'kṣarāḥ
ajāścaiva tu haṃsāśca tathaivāmṛtamuttamam //

All those sons, dark like the night and sombre like the evening clouds, began to cry and despise Brahmâ; and in consequence of their crying and running away, they were named Rudras. They are—Nirṛiti, Śambhu Aparajita Mṛigavyadha, Kapardî, Dahana, Khara, Ahirabradhnya, Kapâlī Piṅgala, and the most illustrious Senānī, these are the eleven Rudras Yogeśvari cow was also born of that Surabhī cow as well as the lower animals goats, swans, high class drugs Dharma produced Kâma from Lakṣamī the Sâdhya Devas were born of the lady of the same name Sādhya—37 42