Agnipurana 153.7

153.7

yathākulantu cūḍākṛd brāhmaṇasyopanāyanaṃ /
garbhāṣṭame 'ṣṭame vābde garbhādekādaśe nṛpe //

Tonsure is performed according to family custom. The initiation of a brāhmaṇa / is in the eighth year from conception or the eighth year [from birth]; for a king, in the eleventh from conception;