Shiva Purana
तच्छ्रुत्वा शम्भुवचनं द्रोणः प्राहाथ सन्नतः॥ स्वांशजन्तनयन्देहि सर्वाजेयम्महाबलम्॥ १०॥
On hearing the words of Śiva, Droṇa bowed low and said—“Please give me a son born of your part who will be invincible to every one and who will be very powerful.
english translation
tacchrutvA zambhuvacanaM droNaH prAhAtha sannataH॥ svAMzajantanayandehi sarvAjeyammahAbalam॥ 10॥
hk transliteration by Sanscript