They should be relieved…their son, a Thetan will be back (reincarnated)?:
Spirit, body and mind
In common with most religions, Scientology is basically concerned with the origin and nature of the universe and has an associated mythology that its believers hold to reflect religious truth, even when such myths may not be historically accurate or scientifically verifiable. In Scientology, the cosmic source or life force is represented by the Greek letter theta (Θ). Theta is meant to represent life or the life source, it is not part of the physical universe but it can control the universe. The individual expression of theta is called the thetan. This is held to be the true identity of every human being – intrinsically good, all-knowing, non-material, and capable of unlimited creativity. As thetans, people are pure spirit, immortal and godlike, outside of space and time. The Scientologist concept of the thetan thus is somewhat similar to the Western concept of the soul, with the distinction that the Western concept does not usually go so far as to assert a godlike true nature for human beings.
According to Scientologist mythology, thetans brought the material world into being largely for their own pleasure…
…Thetans are believed to have occupied innumerable bodies over time. Thus, Scientology theology is similar to that of the Hindu and Buddhist concept of reincarnation. Reincarnation in Scientology happens through a process called “assumption”. The Scientology emphasis on the importance of present (or future) consequence of past actions also resembles the concept of karma.
With each rebirth, the effects of the MEST universe on the thetan become stronger, unless a special intervention, or salvation, occurs. This is due to the fact that human MEST experiences are stored in the “reactive mind” (a concept akin to Freud’s “unconscious mind”), which responds irrationally and emotionally to any memory of painful or traumatic past experience. The images of MEST experiences collected over many lifetimes are referred to as “engrams” in Scientologist terminology. Engrams are believed to be painful and debilitating; as they accumulate, people move further away from their true identity as thetans. To be saved from this fate and restore the thetan is the Scientologist’s basic goal. The thetan thus shares features with the atman of Hindu mythology. Dianetic training is the tool through which the Scientologist progresses towards the “Clear” state, winning gradual freedom from the reactive mind, and acquiring certainty of his or her reality as a spiritual being, or thetan.
en.wikipedia.org/wiki/Scientology_beliefs_and_practices
*Definitely, prayer for conversion of the family is needed. Chances are, the son wasn’t baptized, through no fault of his own:
gotquestions.org/scientology-Christian-cult.html
Salvation: Scientology believes in reincarnation and that personal salvation in one’s lifetime is freedom from the cycle of birth and death associated with reincarnation. They believe that religious practice of all faiths is the universal way to wisdom, understanding, and salvation. On the other hand, the Bible teaches that there is only one way of salvation and that is through Jesus Christ. Jesus Himself said, “I am the way, the truth, and the life, no man comes to the Father except through me” John 14:6.
The teachings of Scientology in comparison with the Bible have little if anything in common. Scientology will only lead us away from God and eternal life, and the Bible will lead us to God and eternal life. There is nothing to gain by associating with Scientology and everything to lose.
God Bless.
+Peace In Christ.