Some say his 12 labors were penance for killing his wife Megara & their children
In the Greek 
myths, our demigod hero is named Heracles and his ... killed his wife Megara and 
their children  afterwards, for penance, ... And that is the lone reference we get 
to the Twelve Labors, when Heracles/Hercules killed the lion... [DOC] [TLE] Twelve Labors | Legendary Journeys | Fandom powered by Wikia [PAR] The Twelve Labors of Hercules refer to great feats carried out by Hercules in the 
classic.