Personality and appearance
Joyce Barnaby is a friendly, well liked and passionate woman with a wide variety of hobbies, interests and friends. She is married to Tom Barnaby and has been happily so for many years. They have a daughter named Cully Barnaby who they remain very close with. Joyce is a sociable and amiable woman who is known to have an interest in many things, depending on the focus of the episode—including painting, singing, tango dancing, arts appreciation, drama, cycling, running, charity work and crafts. She is known to her family as an experimental, but not always successful, cook. Thus, Tom is often seen taking advantage of every opportunity to dine out.
Joyce Barnaby's husband. A Detective Chief Inspector at Causton CID—he is portrayed as being a workaholic, so much so that he spent their honeymoon solving the case of the Pimlico Poisoner, which suggests that they met in London. She married Tom in 1973 and their only child, Cully, was born five years later in 1978. Despite Tom spending a great deal of time solving cases, he and Joyce appear to have a very close and happy marriage.
Joyce and Tom Barnaby's daughter. She is married to Simon Dixon. She was named for a village on Lake Geneva in Switzerland where she was conceived.
Joyce's son-in-law. The husband of Cully Barnaby.
Joyce's cousin-in-law. Tom Barnaby's cousin, he eventually takes over Tom's role as Chief Detective Inspector after Tom's retirement.
Joyce's cousin-in-law. The wife of John Barnaby.