How did Greek Titans come about?

Look,some of you guys might be wandering how did greek Titans come about. Titans are indeed created by something. According to the myths,in the beginning were primodial forces. Gaia,the great mother of Earth,sprung into existence at the same time as Eros and Tartaros. Gaia,mated with the heavens(Ouranos) and the sea(Pontos). From her union with Ouranos,came the hecatonchires(Hundred-Handers:Kottos,Briares and Gyes),the three Cyclops(Brontes,Sterope and Arges),and the Titans(Kronos,Rhea,Cruis,Coeus,Phoebe,Oceanus,Tethys,Hyperion,Thea,Iapetus,Mnemosyne and Themis).The Titan Kronos later killed his father and mated with Rhea and created the first Olympian Gods.