Who are some characters in the book Igraine the Brave by Cornelia Funke?

Igraine, the main character living with her magician family in the castle who wants to be a knight.

Albert, her brother learning magic like his family.

Their parents (Wiki doesn't mention their names)

Osmond the Greedy, the villain of the story.

The Sorrowful Knight, a friend and mentor to Igraine.