Jataka Tattva · by Mahadeva
Chapter 2 · Birth and Childhood
सूतिकातत्वम्
चन्द्रेऽङ्गे सुते शुक्रे सोत्थे भौमे जारजः ।
Say the Moon is in the lagna (rising sign). Venus is in the 5th house and Mars is in the 3rd. Then the person is born of the mother's lover, not her husband.
लग्नेऽर्के सुखे राहौ पितृव्यजः ।
Say the Sun is in the lagna (rising sign) and Rahu is in the 4th house. Then the person is born of the father's brother.
लग्ने राह्वारौ पुष्पवन्तौ द्यूने नीचजः ।
Say Rahu and Mars are in the lagna (rising sign), and the Sun and Moon are in the 7th house. Then the person is born of a man of low birth.
शून्येषु केन्द्रेषु जारजः ।
Say the 1st, 4th, 7th and 10th houses are empty. Then the person is born of the mother's lover, not her husband.