How To Pray For The Peace of Your Ancestors

The method and mantra's described in the video for the peace of ancestors if done with love, reverence and belief, brings peace and happiness to the doer and the departed as well.
https://www.vamtantra.com/shradh-pitru-paksha-puja-tarpan-daan/
https://www.vamtantra.com/what-to-do-during-pitru-paksha/