Mazzeo v. Mazzeo

Decided: 2026-09-23. Docket: COA-26-CV-0656. Citation: 2026 ONCA 674 (CanLII). Family — International child abduction — Hague Convention return — Habitual residence under art. 12 — Whether California, not Ontario, was the child’s habitual residence — Consent order naming Pacifica, California as primary residence — School enrolment and pre-move residence considered — Return order upheld — Appeal dismissed | Family — Hague Convention exceptions — Art. 13 grave risk of harm — Whether grave risk of harm exception was engaged — Mental health concerns said to exist independently of geographic location — Evidence assessed after two-day hearing with testimony and cross-examination — No error in refusing exception — Return to father’s care maintained — Appeal dismissed | Family — Hague Convention e