 Ahtahkakoop and Mistawasis were close allies and friends throughout their lives, often camping near one another and spending their summers hunting with each other's peoples.Their families were also closely linked.Ahtahkakoop's eldest son K"ā-"miyo-ahcahkwēw (Good Spirit) married Mistawasis' daughter Judique, and Ahtahkakoop's daughter Isabella married Mistawasis' eldest son Wēyatōkwapew (Lively Man).