Bertha原型Alva Vanderbilt 现实中是离了，当时很轰动.另外剧中Bertha女儿和原型长得非常像

https://www.nps.gov/vama/blogs/womens-history-month-spotlight-alva-vanderbilt-belmont.htm
https://www.vogue.com/article/william-k-and-alva-vanderbilt-divorce-the-gilded-age