The son of Manu was Ikṣvāku. When Manu was sneezing, Ikṣvāku was born from Manu’s nostrils. King Ikṣvāku had one hundred sons, of whom Vikukṣi, Nimi and Daṇḍakā were the most prominent.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
क्षुवतस्तु मनोर्जज्ञे इक्ष्वाकुर्घ्राणतः सुतः । तस्य पुत्रशतज्येष्ठा विकुक्षिनिमिदण्डकाः
kṣuvatastu manorjajñe ikṣvākurghrāṇataḥ sutaḥ | tasya putraśatajyeṣṭhā vikukṣinimidaṇḍakāḥ
SB 9.6.4