User blog comment:Gcheung28/Submit Questions for Grimm at SDCC/@comment-1509826-20130716015356/@comment-8203434-20130720030419

Based on clues within the series, if the comics are canon they occur between and. Also if the comics state that Maya is first female Grimm other than his mother, they are wrong. The first female Grimm Nick saw was, of course, Aunt Marie, his mother was the second.