Mahabharata 13.4.26

तव चैव गुणश्लाघी पुत्र उत्पत्स्यते शुभेअस्मद्वंशकरः श्रीमांस्तव भ्राता च वंशकृत्

tava caiva guṇaślāghī putra utpatsyate śubheasmadvaṃśakaraḥ śrīmāṃstava bhrātā ca vaṃśakṛt

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