American etiquette authority Emily Price Post wrote
Etiquette
(1922) and a popular syndicated newspaper column.
This United States author considered and promoted "proper etiquette." She wrote books, surrounding the topic of etiquette.
Her family continued the etiquette-genre books:
Elizabeth L. Post, granddaughter-in-law
Peggy Post wife of Emily's great-grandson, Allen Post
Peter Post, great-grandson
Cindy Post Senning, great-granddaughter and a director of The Emily Post Institute
Anna Post, great-great-granddaughter
Lizzie Post, great-great-granddaughter