Titus Groan in particular Lord Sepulchrave's twin sisters, Cora and Clarice Groan. The sisters are not very bright and are power-hungry and resentful, believing that Countess Gertrude holds the position that they rightfully deserve. Steerpike manages to use the twins' ambition for his own ends. He promises them power and influence, and convinces them that they could achieve their goal by burning down Sepulchrave's beloved library. Steerpike prepares meticulously for the act of arson. He arranges for the burning to happen when the entire Groan family and their most important servants are inside the library for a family gathering (Steerpike intentionally failed
Titus Groan as the nurse and mother figure for the Groan children. She is often unsure of herself, but relishes the small bit of power that comes with raising the heir to the house of Groan. Her first duty is to go to the dwellings of the Bright Carvers just outside the walls of Gormenghast to choose a wet nurse for Titus. Keda, the widow of a well-respected Carver who has recently lost a child from her late husband, volunteers to take on the role. Keda comes to live in the castle for a time helping to raise Titus. Later, she leaves