Bran

Tuesdays at the Castle
(TBC)

Wednesdays in the Tower
He is the first to find out about Celie's baby Griffin and helps her deal with him and to keep her secret. He also assists her in learning how to ride him.

Thursdays with the Crown
(TBC)

Firdays with the Wizards
(TBC)

Saturdays at Sea
He only makes a brief appearance at the end of the book.