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?

3 answers

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