… to replace retiring Assembly of First Nations Ontario Regional Chief RoseAnne Archibald … Nation during the Assembly of First Nations Ontario regional annual general meeting … Ontario at the Assembly of First Nations,” said Regional Chief Hare. “I …… to replace retiring Assembly of First Nations Ontario Regional Chief RoseAnne Archibald … Nation during the Assembly of First Nations Ontario regional annual general meeting … Ontario at the Assembly of First Nations,” said Regional Chief Hare. “I …