Daniel Francis as Lord Anderson, Adjoa Andoh as Lady Agatha Danbury on season three, episode four of "Bridgerton."
Liam Daniel/Netflix
- Season three of "Bridgerton" introduces Lady Danbury's brother named Lord Marcus Anderson.
- But he won't be familiar to fans of the "Bridgerton" book series.
- Lord Anderson was created for the TV show. Here's what we know about him so far.
Warning: There are major spoilers ahead for season three of "Bridgerton."
Season...