Question juridique clé
Whether the public-law appeal was admissible because the applicants had a potential right to a residence permit under Art. 8 ECHR / Art. 13 BV.
Solution extraite
The appeal was admissible because the applicants could in principle invoke a right to residence based on family life, at least requiring further examination.
Motifs extraits
A Swiss child may create an arguable family-life entitlement for the mother, and potentially for the minor foreign child as well, so standing was sufficient.