… First Nation. Aamjiwnaang First Nation Chief Chris Plain speaks during an event at the First Nation … of Aamjiwnaang First Nation. Article content A notice on the First Nation’s website … has been chief of the First Nation neighbouring Sarnia since 2005, save …… First Nation. Aamjiwnaang First Nation Chief Chris Plain speaks during an event at the First Nation … of Aamjiwnaang First Nation. Article content A notice on the First Nation’s website … has been chief of the First Nation neighbouring Sarnia since 2005, save …