Aśokavardhana will be followed by Suyaśā, whose son will be Saṅgata. His son will be Śāliśūka, Śāliśūka’s son will be Somaśarmā, and Somaśarmā’s son will be Śatadhanvā. His son will be known as Bṛhadratha.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
स एव चन्द्रगुप्तं वै द्विजो राज्येऽभिषेक्ष्यति । तत्सुतो वारिसारस्तु ततश्चाशोकवर्धनः
sa eva candraguptaṃ vai dvijo rājye'bhiṣekṣyati | tatsuto vārisārastu tataścāśokavardhanaḥ
SB 12.1.13