This begins with the titan Cronos’ mother, Earth, who encourages her children to overthrow their father, Heaven, because out of dislike, he keeps them locked away.
does this look right?
WAY too complicated.
You'd be better off to divide it into two sentences.
Thank you!
You're welcome. Concise and straightforward is always more understandable for your readers.
http://grammar.ccc.commnet.edu/grammar/concise.htm