The Titans are NOT the sons of Ouranos (YHWH).
Cronus and the Olympians are the direct offspring of Ouranos (YHWH).
The Titans on the other hand are the direct offspring of Oceanus.
Oceanus is NOT the son of Ouranos. Oceanus is Ymir/Pangu/Brahma.
http://religion.wikia.com/wiki/At-a-glance/Western_mythologies_compared
https://en.wikipedia.org/wiki/Pangu
In the beginning there was nothing in the universe except a formless chaos. This chaos coalesced into a cosmic egg for about 18 millenia (18*120 years). Within it, the perfectly opposed principles of Yin and Yang became balanced, and Pangu emerged (or woke up) from the egg
In the poem Vafþrúðnismál, the (disguised) god Odin engages the wise jötunn Vafþrúðnir in a game of wits.
Odin asks from where Aurgelmir came from so long ago, to which Vafþrúðnir responds that venom dropped from Élivágar, and that these drops grew until they became a jötunn, and from this being descends the jötnar.
Finally, Odin asks how this being begat children, to which Vafþrúðnir responds that from beneath the ancient jötunn's armpits together a girl and a boy grew, and his feet together produced a six-headed jötunn