Ocarina Of Time is chronologically the first game in the Zelda series, and explains the origins of the relationship between Ganon, Zelda, Link, the Triforce and the Sages.
“Kotake: But I’m only 400 years old!
Koume: And I’m just 380 years old!
Kotake: We’re twins! Don’t try to lie about your age!”
~ Kotake and Koume