… Buck Breaker, a Siksika First Nation councillor. WATCH BELOW | Grieving … runs through the Siksika First Nation. (Submitted by Debbie … , who represents the First Nation, says he travels that … commercial vehicles. The First Nation also recommends working with …… Buck Breaker, a Siksika First Nation councillor. WATCH BELOW | Grieving … runs through the Siksika First Nation. (Submitted by Debbie … , who represents the First Nation, says he travels that … commercial vehicles. The First Nation also recommends working with …