[SPOILER !!!] Ricard Highwind is

Don't know if you played it...But at a moment,we meet a Man in armor of the Clans of Dragoon called Ricard,and he has the Same armor as Kain

And,in a Ancient castle,we see a Mother with his Son called "Kain" and if i remember correctly,one time he say

"I will be like my father" and protect the dragoons"

So,I think that in FFII we have the Father of Kain in FFIV,am i right ? :)