Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 6
Sanskrit:
यस्तयोरात्मज: कल्प आत्मना च धनेन च ।वृत्तिं न दद्यात्तं प्रेत्य स्वमांसं खादयन्ति हि ॥ ६ ॥
ITRANS:
yas tayor ātmajaḥ kalpaātmanā ca dhanena cavṛttiṁ na dadyāt taṁ pretyasva-māṁsaṁ khādayanti hi
Translation:
A son who, though able to do so, fails to provide for his parents with his physical resources and wealth is forced after his death to eat his own flesh.