Grandma Chase

Grandma Chase is the mother of Randolph, Natalie and Frederick Chase, grandmother of Annabeth, Magnus, Aubrey, Bobby, Emma and Matthew Chase, and the wife of Grandpa Chase.

History
Grandma Chase married a man and had two sones and a daughter with him. She and her family lived in a brownstone mansion in Boston. She died before meeting her grandchildren.

The Ship of the Dead
Magnus finds a picture of her and her husband in the library of the family mansion.