Mahabharata 14.93.44

धर्माद्या हि यथा त्रेता वह्नित्रेता तथैव चतथैव पुत्रपौत्राणां स्वर्गे त्रेता किलाक्षया

dharmādyā hi yathā tretā vahnitretā tathaiva catathaiva putrapautrāṇāṃ svarge tretā kilākṣayā

Our plain-language meaning of this verse is waiting for scholar review.