Sorry, I'm more convinced that Seifer is Edea and Cid's son. His arrogant attitude, definitely conveys the "my dad owns your ass, so you better do what I say" message. Besides, Raine only had 1 kid before she died.
FFX-2 FMV's Upscaled and Filtered to 720p (link fixed)
The games I've beaten...
I | II | III | IV | V | VI | VII | VIII | IX | X | X-2 | XII