Question juridique clé
Whether the constitutional complaint was admissible with respect to the alleged violation of Art. 29 para. 1 BV
Solution extraite
The complaint was inadmissible insofar as it invoked Art. 29 para. 1 BV, because the appellants did not substantiate that ground independently.
Motifs extraits
The arguments addressed only arbitrary application of Art. 71 ZGB and did not show a separate procedural violation.