Mahabharata 1.177.11
समुद्रसेनपुत्रश्च चन्द्रसेनः प्रतापवान्जलसंधः पितापुत्रौ सुदण्डो दण्ड एव च
samudrasenaputraśca candrasenaḥ pratāpavānjalasaṃdhaḥ pitāputrau sudaṇḍo daṇḍa eva ca
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book