The Pirate's Wife is a spin off of The Pirate Balthasar but can also be read independently as the stories here collected are told from the point of view of different characters - who become main narrators of their own adventures and lives.
The first sets of stories are told through the eyes of little Itzak who will introduce us to his life, since birth, and the focuses on his close relationship with the pretty lady who nurtures him- apparently called mommy - whom he likes to refers to as Din Din.