Jane Seymour's oldest child, Katherine Flynn, was born on January 7, 1982 (per Closer Weekly). Flynn and her brother, Sean Michael Flynn, are the children of Seymour's third marriage to David Flynn.

According to IMDb, Seymour and her two older children first worked together in the 1989 drama, "The French Revolution." Seymour played Marie Antoinette, and Flynn played Madame Royale. Flynn also played a small role in a two-part episode of "Dr. Quinn."

After reaching adulthood, Flynn earned her B.A. from Columbia University and began acting in New York. She also took acting classes at the William Espers Studios (per Hallmark Channel).

Seymour's only daughter, Flynn has grown up to look a lot like her mom, as demonstrated by a photo the actor shared on Instagram (per Hello!). In more recent times, the mother-daughter duo has had additional opportunities to work onscreen together, in the 2014 Hallmark Channel movie "A Royal Christmas" and the 2018 film, "Mistrust" (per IMDb).

Sometimes credited as Katie Flynn, the she has enjoyed starring roles in movies like "Stormhouse" and "Chloe and Keith's Wedding" (per Hallmark Channel).