Thief River
Via the Red Lake River , the Red River of the North , Lake Winnipeg and the Nelson River , it is part of the watershed of Hudson Bay . 
<triplet> Lake Winnipeg <subj> Red River of the North <obj> inflows <triplet> Nelson River <subj> Lake Winnipeg <obj> origin of the watercourse <subj> Hudson Bay <obj> mouth of the watercourse <triplet> Hudson Bay <subj> Nelson River <obj> tributary