This character is a member of the Christopher family.

Debbie Lauderdale was a Human female, who married and later divorced Shaun Christopher. Before they divorced, the couple had three children, Kevin, Katie, and Rory. (TOS short story: "Assignment: One", TOS novel: The Rings of Time)

In 2020, Rory sent his father an e-mail saying that he and Debbie were going to visit Colonial Williamsburg. (TOS novel: The Rings of Time)