The four sons of Uśīnara were Śibi, Vara, Kṛmi and Dakṣa, and from Śibi again came four sons, named Vṛṣādarbha, Sudhīra, Madra and ātma-tattva-vit Kekaya. ।। 9-23-3 ।।
english translation
उशीनर के चार पुत्र थे—शिबि, वर, कृमि तथा दक्ष। शिबि के भी चार पुत्र हुए—वृषादर्भ, सुधीर, मद्र तथा आत्मतत्त्ववित् केकय। ।। ९-२३-३ ।।