Jataka Tattva · by Mahadeva
Chapter 7 · Mind, Learning and Children: the 5th House
पञ्चमविवेकः
शत्रुभे लग्नपे ज्ञेन्दुदृष्टे षष्ठार्थे सूर्ये विपुत्रः ।
Say the lord of the 1st is in an enemy's sign and Mercury and the Moon aspect it. Say the Sun is in the 6th or 2nd house. Then the person will have no sons.
सुतेशेऽस्तांशे पापयुते विपुत्रः ।
Take the sign in the 7th house. Say the lord of the 5th is in a navamsha (one-ninth part of a sign) of that sign. Say malefics join it. Then the…
गुरौ सुतेशे सपापेऽ बले विपुत्र ।
Say Jupiter is the lord of the 5th, joined with malefics, and weak. Then the person will have no sons.
सपापेऽङ्गेशे त्रिके सुतेशे विपुत्रः
Say the lord of the 1st is joined with malefics. Say the lord of the 5th is in the 6th, 8th or 12th house. Then the person will have no sons.