A strained relationship with a brother or sister is one of the more common reasons people try past life regression, and the appeal makes sense. When a conflict feels older and heavier than anything in the current record can explain, the idea that it began in another lifetime offers a tidy account.
Here is what a session actually does and does not touch. The work happens entirely inside one person. While relaxed and suggestible, that person produces scenes in which the sibling appears in some earlier role, perhaps a rival, perhaps a parent, perhaps an enemy. The practitioner uses those scenes to reframe the present feeling, and the person often leaves with a softer stance toward the sibling. The sibling, who was never in the room, has changed nothing.
This matters for the honest answer. There is no scientific evidence that the scenes recover real shared past lives. Hypnotic imagery is shaped by suggestion and by what the person already expects, so it is more accurately read as a story the mind constructs than as buried history. What the session can shift is the person’s own resentment, defensiveness, or readiness to extend goodwill.
That internal shift is not nothing. Many disputes ease when one side stops rehearsing the grievance, and a vivid narrative can loosen a grip that argument never could. If a regression leaves someone less reactive at the next family gathering, the gathering may in fact go better. The change is real because the change is in the person.
But a real conflict between two living people is a two-person problem, and a one-person exercise can only reach the half a person controls. Where the trouble involves ongoing behavior, money, caregiving, or old injuries that need acknowledging, the things that actually repair it are direct conversation, clear boundaries, and sometimes family therapy with both parties present. A reframed feeling can open the door to those steps; it cannot replace them.
The practical reading is modest and useful at once. Past life regression may help a person arrive at a sibling relationship calmer and more willing to mend it, which is a worthwhile starting condition. It does not adjudicate who was right, recover a literal shared past, or do the joint work that genuine reconciliation still requires.