The Chen family is a family within the Ekaterina branch of the Cahill family. The family consists of a married couple, James and Tiffany Chen, and their four children, David, Howard, William, and Mabel. The Chen family lives in Singapore. James and Tiffany were friends with another Ekaterina couple, Darsh and Maya Mourad, and are godparents to their son, Sammy.
Sammy Mourad visited the Chens with his girlfriend, Nellie Gomez, while searching for clues about Outcast. While staying with them, Sammy speculated that their household was perfect and well-run, but lacked love or fun.