Mahabharata 3.115.22

सा वै प्रसादयामास तं गुरुं पुत्रकारणात्आत्मनश्चैव मातुश्च प्रसादं च चकार सः

sā vai prasādayāmāsa taṃ guruṃ putrakāraṇātātmanaścaiva mātuśca prasādaṃ ca cakāra saḥ

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