Female subject said that she leaned to far to her left and the canoe started going over.  Male subject state he tried to sop them from rolling over but could not and the canoe capsized.  Male subject tried to turn the canoe back over and empty water out of it but couldn't and canoe sunk.  Both parties were in the water for 15-20 minutes and had the horse collar type PFD's that they were hanging on to.
Eagle