Complex sentence: In some instances, the Jorōgumo attempts to seduce and/or marry passing samurai and in others is venerated as a goddess dwelling in the Jōren waterfall who saves people from drowning.
Split into simpler sentences: In some instances, the Jorōgumo attempts to seduce and perhaps marry passing samurai. In other instances she is venerated as a goddess dwelling in the Jōren Falls who saves people from drowning.