I’ll start with Kain Highwind, arguably the most iconic of the Highwinds. The most well-known theory is that Kain Highwind is the boy from Final Fantasy II. Kain states his father, Richard, died fighting an evil empire. In Final Fantasy II, Ricard Highwind take a woman and a young boy under his wing. Later on, Ricard dies fighting the Emperor. Kain follows in his footsteps and becomes a dragoon.
Another who knows these two games understand that this can’t possibly be. Ricard and Richard are two different names. Kain was born in Baron. Well, so he says – as far as he can remember. Yet Ricard finds the young boy in Deist, an abandoned kingdom. Baron was the only empire around for the past 800 years. No other empire seems to have challenged it. So how is this possible?
As big as Final Fantasy worlds are, they only ever show a small select group of areas. Somewhere on Final Fantasy II’s map is the Kingdom of Baron, fighting Palemecia. But it’s relevant to the plot. Somewhere on Final Fantasy IV’s map the Castle of Deist and Palamecia are artifacts of a past world. Yet these places also aren’t relevant to the plot. We don’t see what isn’t relevant. We do get to see Mysidia, however…
Also, Ricard and Richard are two translations of the same name. Like “Juan” is Spanish for “John”, in Deist, he is “Ricard”, while in Baron he is “Richard”.
Somehow, during the After Years, on Mt. Ordeals, the spirit of Kluya—a Lunarian who is Cecil and Golbez’s father—recognizes Kain’s strength and grants him the power of light transforming Kain into a Holy Dragoon. Or, so the Final Fantasy Wikia says. But does Kluya have that ability, to grant these powers to someone who isn’t his son? Also the After Years doesn’t state the disembodied voice is Kluya. All it says is:
This voice, might it be Ric(h)ard? This might mean that Ricard Highwind was a Lunerian. Perhaps the Lunerians traveled to the “The Blue Planet” to do business with the inhabitants. When they arrived, they met and did business with Emperor Mateus, who took advantage of their technology for evil. This disgusted the Lunerians. They vowed to hibernate until, one day, humans advance. Ricard, for whatever reason, stayed behind.
Sometime after, a son or daughter of Kain married into the Tycoon. They had a son named Alexander Highwind. He would become a Dawn Warrior in Final Fantasy V. Also consider that Bartz’s Dragoon job class costume is the same as Kain’s. Kain is THE essence of a past Light warrior.
And the sons and daughters of Kain would carry on the tradition of Dragoons. One such mercenary named Aranea would carry on the Dragoon tradition. Later, she would retire and become a mechanic, following the trade of a mechanic. Cid Highwind would be born into this lineage.