Saravali 34.34.31

34.34.31

adhama putra prāpti yoga jñāna
varge pañcamarāśau saure sūryeṇa vā'tra saṃyukte |
lohitadṛṣṭe vācyo jātasya suto'dhamaprabhavaḥ ||

Knowledge of the combination for obtaining a baseborn son:
In a division [of Saturn] in the fifth sign, or conjoined with the Sun therein,
and aspected by the red planet, a son of base origin must be declared for the native.