The Greystone Bastard (naming lore query)

[Ayuhra]

Somewhat tangential but do we know for certain that Haurchefant was the middle child or is that something we've all been assuming?

We know for certain.

Journal entry for the Quest Over the Wall:

Ser Artoirel de Fortemps, eldest son of Count Edmont de Fortemps, did not expect to have company on his mission to aid houses Durendaire and Dzemael─a prospect he was not particularly enthusiastic about in the first place, given the ancient rivalries between Ishgard's noble families.

Emmanellain in the quest Onwards and Upwards

Ah, but where are my manners. Emmanellain de Fortemps, second son of Count Edmont de Fortemps—trueborn, that is.