Kronos has a long story unlike most of his siblings. He was probably the most know titan of all.
He was the one who volunteered to murder his father by castrating him with a scythe. He married the most beautiful sister. Mother Rhea. Rhea was mother of the very first immortal gods and goddesses. The eldest was Hestia. Then came out Hera, Demeter, Poseidon, Hades and Zeus. (Find out more about Kronos and his story in Chapter: The Destruction of Ouranos). He devoured each and everyone of his children except for Zeus.