Mantra 4

तं होवाच किंगोत्रो नु सोम्यासीति स होवाच नाहमेतद्वेद भो यद्गोत्रोऽहमस्म्यपृच्छं मातरं सा मा प्रत्यब्रवीद्बह्वहं चरन्ती परिचरिणी यौवने त्वामलभे साहमेतन्न वेद यद्गोत्रस्त्वमसि जबाला तु नामाहमस्मि सत्यकामो नाम त्वमसीति सोऽहं सत्यकामो जाबालोऽस्मि भो इति ॥ ४.४.४ ॥

In plain words

He said to him, "Of what family art thou, my dear?" He said, "I do not know, sir, of what family I am. I asked my mother, and she answered me, 'In my youth I moved about much as a servant, and then I got thee; so I do not know of what family thou art. But my name is Jabālā, and thy name is Satyakāma.' So I am Satyakāma Jābāla, sir."