Questão jurídica principal
Whether the public law appeal was admissible despite the availability of a nullity appeal on the federal-law jurisdiction question.
Decisão extraída
No. The territorial-jurisdiction challenge could be raised by nullity appeal, so the public law appeal was subsidiary and therefore unavailable.
Fundamentação extraída
Questions about the deceased’s last domicile and the resulting Swiss jurisdiction were questions of law reviewable through the nullity appeal; the public law appeal is excluded by absolute subsidiarity.