Family life in Vedic astrology is analyzed through multiple houses: the 4th house (Matru Bhava) for mother and domestic peace, the 9th house (Pitru Bhava) for father and ancestral blessings, and the 5th house (Putra Bhava) for children and progeny.
Jupiter (Guru) is the Putrakaraka — natural significator of children. Jupiter's strength in the natal chart and its position in the D7 Saptamsa (divisional chart for children) determines the blessing of progeny. When Jupiter occupies the 5th house or aspects it, Putra Yoga is created.
The Moon (Chandra) is the significator of mother and domestic harmony. A strong Moon in the 4th house creates a peaceful, nurturing home environment. Moon afflicted by Saturn or Rahu in the 4th can indicate tensions with mother or domestic instability.
Pitru Dosha — when Rahu or Ketu afflicts the Sun or the 9th house — indicates ancestral karmic debt that requires resolution through Pitru Tarpan (ancestral offering), Mahalaya rituals, and specific Pitra Shanti mantras as prescribed in classical texts.