Question juridique clé
Whether the Federal Supreme Court should disturb the cantonal reassignment of sole parental custody to the father.
Solution extraite
The cantonal court did not violate federal law or exceed its discretion in awarding sole custody to the father after weighing the child’s best interests.
Motifs extraits
The father had an enduring, stable relationship with the child, the mother’s planned move would cause major changes in the child’s environment, school, language, and contact with the father, and the cantonal court permissibly assessed the comparative stability and practical consequences.