TheGreek poet Hesiod established in his Theogony that Thánatos is a son of Nyx (Night) and Erebos(Darkness) and twin of Hypnos (Sleep).
Thanatos had no children.Yes. If you search on Google images titled "Greek mythology family tree" you will see the family tree.
http://www.windows.ucar.edu/tour/link=/mythology/greek_family_tree.html
Father: Cephissus (river god) Mother: Liriope (nymph)
daphne
Click link below, to see the Family tree of the Greek gods! The ones in green and the ones above that level are the elder gods.
I think you would need to manually create something like that.
Ladon the Dragon
None. There is no Greek goddess Ianus.
Must depend on where you have seen the family tree. For example in Wikipedia: Family tree of the Greek gods she is listed as daughter of Uranus.
Are's sacred tree was the oak tree. It was associated with Zeus and was often used as a symbol of wisdom, strength, and resilience in Greek mythology.
Hydros.
Why don't you just do it by hand...