In addition to a few brief stints in acting, she is also an
accomplished writer.
Tessa's birthname name was lost when she was three months old when her father, Roald Dahl, realised that "Chantal" rhymed with Dahl.
Determined that his daughter would be spared the teasing, he changed
her name to Tessa.
Older sister of Lucy Dahl, Theo Dahl and Ophelia Dahl. Her older sister, Olivia Twenty Dahl (b. April 20, 1955 - d. November 17, 1962), died from complications of measles at the age of seven (when Tessa was five).