Louis-Dreyfus is the great-great-granddaughter of French businessman Léopold Louis-Dreyfus (1833–1915), founder of the Louis Dreyfus Group, which members of her family still control. He was a member of a Jewish family from Alsace, and served as a cavalry officer and member of the French Resistance during World War II. Her paternal grandfather, Pierre Louis-Dreyfus (1908–2011), was president of the Louis Dreyfus Group commodities and shipping conglomerate. Her father, Gérard Louis-Dreyfus (1932–2016), was a French billionaire who served as chairman of the Louis Dreyfus Company. Her mother, Judith (née LeFever), was an American writer and special needs educator.

Julia Scarlett Elizabeth Louis-Dreyfus was born in New York City on January 13, 1961. She has also received numerous honors including the Mark Twain Prize for American Humor in 2018 and the National Medal of Arts in 2021. She was named as one of Time magazine's 100 most influential people in the world in 2016. She received a star on the Hollywood Walk of Fame in 2010 and was inducted into the Television Academy Hall of Fame in 2014. Louis-Dreyfus has received 11 Primetime Emmy Awards (eight for acting and three for producing) in addition to nine Screen Actors Guild Awards and one Golden Globe Award. Since 2021, she has played Valentina Allegra de Fontaine in the Marvel Cinematic Universe. Her voice acting work includes A Bug's Life (1998), Planes (2013), and Onward (2020). She has also had supporting film roles in Hannah and Her Sisters (1986), National Lampoon's Christmas Vacation (1989), Deconstructing Harry (1997), and leading film roles in Enough Said (2013), Downhill (2020), You People (2023), and You Hurt My Feelings (2023). She has made guest appearances on shows such as Arrested Development, Curb Your Enthusiasm, and 30 Rock. Her breakthrough came in 1989 with a nine-season run on Seinfeld, which became one of the most critically and commercially successful sitcoms of all time. This led to her being cast in the sketch show Saturday Night Live. Louis-Dreyfus was born in New York City, the daughter of French billionaire Gérard Louis-Dreyfus, and broke into comedy as a performer with the Practical Theatre Company in Chicago. Her list of accolades makes her one of the most awarded actresses in American television history, and she has received more Primetime Emmy Awards and more Screen Actors Guild Awards than any other performer. Often described as one of the greatest performers in television history, she is widely known for her roles as various characters on Saturday Night Live (1982–1985), Elaine Benes on Seinfeld (1989–1998), Christine Campbell on The New Adventures of Old Christine (2006–2010), and Selina Meyer on Veep (2012–2019). Julia Scarlett Elizabeth Louis-Dreyfus ( / ˌ l uː i ˈ d r aɪ f ə s/ LOO-ee DRY-fəs born January 13, 1961) is an American actress, comedian, and producer.

Léopold Louis-Dreyfus (great-great-grandfather).

Robert Louis-Dreyfus (paternal second cousin once removed).

Julia louis dreyfus seinfeld