Shiva Purana

siva.sh/siva-purana/uma-samhita/39/43

सुमित्रं प्राप्य राजानं तद्वंशश्शुभः कलौ ।। संस्थां प्राप्स्यति तद्ब्राह्मे वर्द्धिष्यति पुनः कृते ।। ४३ ।।

sanskrit

Reaching upto Sumitra the king in the Kali age that auspicious race will become merged in outside families. It will flourish again in the Kṛta age.

english translation

sumitraM prApya rAjAnaM tadvaMzazzubhaH kalau || saMsthAM prApsyati tadbrAhme varddhiSyati punaH kRte || 43 ||

hk transliteration by Sanscript