S.C. Code § 62-2-114
Notwithstanding any other provision of law, if the parents of the deceased would be the intestate heirs pursuant to Section 62-2-103(2), upon the service of a summons, petition and notice by either parent or any other party of potential interest based upon the decedent having died intestate, the probate court may deny or limit either or both parent's entitlement for a share of the proceeds if the court determines, by a preponderance of the evidence, that the parent or parents failed to reasonably provide support for the decedent as defined in Section 63-5-20 and did not otherwise provide for the needs of the decedent during his or her minority. If the court makes such a determination as to a parent or parents, the parent shall be a disqualified parent. The proceeds, or portion of the proceeds, that a disqualified parent would have taken shall pass as though the disqualified parent had predeceased the decedent.
S.C. Code § 62-2-114