Whether the appellants made their succession claim sufficiently plausible for a seizure under Art. 272(1)(1) LP, including the applicable foreign succession law.
No. The court held that the cantonal court could summarily examine the applicable law and that the appellants failed to show any arbitrariness in finding the deceased domiciled in London, which made English law governing movable assets plausible and excluded a reserved-share claim.
The conditions for seizure are governed by Swiss lex fori, but the existence and enforceability of the underlying debt may require application of foreign substantive law under Swiss private international law. The appellants did not overcome the cantonal findings on domicile or show that French law was more plausible than English law.