Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 20: Daśaratha Refuses to Give Rāma
Text 1.20.27

तौ हि यक्षस्य कन्यायां जातौ दैत्यकुलोद्वहौ।
मारीचश्च सुबाहुश्च वीर्यवन्तौ सुशिक्षितौ॥

tau hi yakṣasya kanyāyāṁ jātau daitya-kulodvahau
mārīcaś
ca subāhuś ca vīryavantau suśikṣitau

tau hi = they; yakṣasya = of a yakṣa; kanyāyām = to a daughter; jātau = are born; daitya-kula-udvahau = born in a dynasty of daityas; mārīcaḥ ca = Mārīca; subāhuḥ ca = and Subāhu; vīryavantau = are powerful; suśikṣitau = and well trained.

Born in a dynasty of daityas, they are born to a daughter of a yakṣa. Mārīca and Subāhu are powerful and well trained.