Nifty mythology-based infographics present the family trees of the Egyptian, Greek, and Norse gods and goddesses.
Nordic folklore, some interesting mythological creatures and figures (Also I love how the troll picture is from Trollhunter)
The Greek god family tree. (Not pictured: literally thousands of minor gods, demigods, and folks of a mythological persuasion.
Helpful diagrams for Egyptian gods family trees.
The Greek and Roman Gods Infographic ---- "Hephaestus' relationship isn't successful" I'd consider that an understatement