In Jainism, there is no set of rituals intended to “please ancestors.” The path is focused on the individual soul’s liberation through right faith, right knowledge, and right conduct (samyak-darshan, samyak-gnan, samyak-charitra). Ancestors are respected, but not worshipped through ritual rites in the way some other traditions practice.

What you can do instead, in a Jain context, to honor family and ancestors through spiritual practice:

• Live by ahimsa (non-violence), truth, non-stealing, proper conduct, and non-attachment. Your daily behavior creates good karma for all beings, including those who have departed.
• Practice samayik, five abstinences (vegetarianism, moderate fasting, or limited sensory activities) and regular self-discipline to purify the mind.
• Support causes that reflect Jain values, such as feeding the hungry, educating children, or helping monks and nuns who dedicate their lives to spiritual progress.
• Offer respect to elders and acknowledge family lineage through simple, respectful conduct, gratitude, and sharing in times of need.
• If there are family customs or regional practices, they should align with Jain ethics and avoid superstitious or ritualistic elements that contradict non-violence and truth.

If you’re looking for more detailed Jain guidance on rites and daily practices, tell me what specific Jain tradition (Digambar or Shwetambar) or regional custom you’re asking about, and I can tailor the explanation to that context.