Ada Finkler and her son Aalwijn are, like Hero and Hertzel, escaped Zaeri from Freedonia. Mrs. Finkler, a renowned cook, has set up a bakery and cafe in Port Dechantagne. She is mostly a background character, seldom actually seen but often referred to. Aalwijn on the other hand, becomes a fairly important character by the end of this book.
These characters did not appear in my orignial draft of the series. As I was writing The Voyage of the Minotaur, I threw in a single line about Mrs. Finkler supplying food for Zeah Korlann. Later, when I needed an eating establishment, I fleshed them out and they became regular characters. You will probably get a hint of why Aalwijn becomes important toward the end of this book, but you will clearly see it in the next.