Jataka Tattva · by Mahadeva
Chapter 7 · Mind, Learning and Children: the 5th House
पञ्चमविवेकः
सप्तमेशांशेशे लग्नार्थधर्मेशैर्दृष्टे पुत्राप्तिः ।
Take the navamsha (one-ninth part of a sign) of the 7th lord. Say its lord is aspected by the lords of the 1st, 2nd and 9th. Then a son is gained.
सुतेशे शुभयुतदृष्टे वा सुतेऽङ्गे पुत्राप्तिः ।
Say the 5th lord is joined or aspected by good planets. Or say it is in the 5th house or the 1st. Then a son is gained.
लग्नेशे पुत्रे पुत्रेशेज्यौ बलिनौ पुत्राप्तिः ।
Say the 1st lord is in the 5th house. Say the 5th lord and Jupiter are strong. Then a son is gained.
पुत्रेज्ये बलिनि लग्नेशदृष्टे पुत्राप्तिः ।
Say Jupiter is strong in the 5th house and the 1st lord aspects it. Then a son is gained.