GlassEye
Adventurer
is there any background info for the languages besides...
Not really. Old Landellian is spoken in remote regions and is, imo, the equivalent of Latin (though still spoken). The others are more equivalent to the other romance languages with Low Landellian (Venzan or Common) being the trade tongue and the tongue of the coastal and Ouhm River delta region and the others more central (Middle Landellian, spoken in Sumbru perhaps) and highland areas. Which is all just a wordy way of repeating what the page already says and you already know.