Aṣṭakā-Śrāddha Vidhi and Dāna-Praśaṃsā
Observances in the Dark Fortnight and Praise of Giving
दीर्घमायुरथैश्वर्यं कुर्वाणस्तु त्रयोदशीम् / युवानश्च गृहे यस्य मृतास्तेभ्यः प्रदापयेत्
dīrghamāyurathaiśvaryaṃ kurvāṇastu trayodaśīm / yuvānaśca gṛhe yasya mṛtāstebhyaḥ pradāpayet
By performing śrāddha on Trayodaśī one gains long life and lordly prosperity; and if there are those in one’s house who died young, one should arrange gifts and charity on their behalf.