A spouse or registered partner can change the share of the second parentelic line. Under section 744(1) ABGB, the partner generally receives two thirds alongside parents, while one third is divided between the parents. If both parents have died, the descendants in their lines must be identified. Without a spouse or registered partner, the statutory order of the second parentelic line applies directly.
Siblings, nieces and nephews may be statutory heirs, but they are not reserved-share heirs. Under the current rules, the reserved share generally protects descendants and a spouse or registered partner. Statutory heir status and a reserved-share claim must therefore be calculated separately.