Law360 Canada ( December 15, 2025, 9:38 AM EST) -- Appeal by appellant father from decision of Justice of Court of King’s Bench (KB Justice). This appeal by the Indigenous appellant father arose out of an application for guardianship of his daughter (the Child) brought by the Child’s maternal uncle and aunt, the brother of the Child’s deceased mother and his wife (together the respondents), under Alberta’s Family Law Act. The Child was almost six years old when the guardianship application was heard and granted by a Justice of the Alberta Court of Justice (ACJ Justice). She had been living with the respondents and their biological children, her cousins, since she was six months old. That decision was upheld on appeal by the KB Justice. Permission to appeal the decision of the KB Justice to this Court on questions of law was granted. The principal legal issues on this appeal were whether An Act Respecting First Nations, Inuit and Métis Children, Youth and Families (the Federal Act) applied to the respondents’ guardianship application and, if so, whether the Federal Act was applied correctly by the courts below....