Shiva Purana
शिवप्रसादतस्ता वै पुत्रान्प्रापुश्शुभंकरान् ॥ महाप्रतापिनो वीरान्सन्मार्गनिरतान्मुने ॥ ३५॥
O sage, they obtained auspicious sons of great valour and prowess who followed the path of the good. It was due to the favour of Śiva.
english translation
zivaprasAdatastA vai putrAnprApuzzubhaMkarAn ॥ mahApratApino vIrAnsanmArganiratAnmune ॥ 35॥
hk transliteration by Sanscript