Grace Dunham ( ; born January 28, 1992) is an American writer and activist.
 She appeared in the independent film "Tiny Furniture" (2010), which was written and directed by her older sister, filmmaker and actress Lena Dunham.
Lena Dunham ( ; born May 13, 1986) is an American actress, writer, producer, and director.
 She is best known as the creator, writer and star of the HBO series "Girls" (2012–2017), for which she has received numerous Emmy Award nominations and two Golden Globe Awards. Dunham's work on "Girls" also led her to become the first woman to win the Directors Guild of America Award for Outstanding Directing – Comedy Series in 2013.
 That year Dunham was included in the "Time" 100 list of the most influential people in the world.
 In 2014, Dunham released her first book, "Not That Kind of Girl: A Young Woman Tells You What She's "Learned"".
Edith "Edie" Falco ( ; born July 5, 1963) is an American television, film, and stage actress, known for her roles as Diane Whittlesey in the HBO series "Oz" (1997–2000), Carmela Soprano on the HBO series "The Sopranos" (1999–2007), the title character of the Showtime series "Nurse Jackie" (2009–15), and Sylvia Wittel on the Louis C.K. web series, "Horace and Pete" (2016).
Jeffrey "Jeff" Dunham (born April 18, 1962) is an American ventriloquist and comedian who has also appeared on numerous television shows, including "Late Show with David Letterman", "Comedy Central Presents", "The Tonight Show" and "Sonny With a Chance".
 He has six specials that run on Comedy Central: "", "", "Jeff Dunham's Very Special Christmas Special", "", "", and "".
 Dunham also starred in "The Jeff Dunham Show", a series on the network in 2009.
Jennifer "Jenni" A. Konner (born May 16, 1971) is an American director, writer and producer.
 She works mostly in television and is best known as the showrunner and writer of the HBO series "Girls."
 In 2016, she directed the season finale of the fifth season of "Girls" entitled "I Love You Baby" and in 2017, she directed the episode "Latching," which served as the season and series finale; both episodes were co-written by Judd Apatow, Lena Dunham, and Konner.
Tiny Furniture is a 2010 American independent comedy-drama film written, directed by, and starring Lena Dunham.
 The film premiered at South by Southwest, where it won the award for Best Narrative Feature, screened at such festivals as Maryland Film Festival, and was released theatrically in the United States on November 12, 2010.
 Dunham’s own mother, the artist Laurie Simmons, plays Aura’s mother, while her real sister, Grace, plays Aura’s on-screen sibling.
 The actors Jemima Kirke and Alex Karpovsky would also appear in Dunham's television series "Girls".
"Girls" is an American comedy-drama television series created by Lena Dunham, who serves as executive producer along with Judd Apatow and Jenni Konner.
 The series premiered on HBO on April 15, 2012.
 "Girls" stars Dunham as Hannah Horvath, an aspiring writer in her 20s trying to navigate her personal and professional life in New York City after her parents discontinue their financial support.
 Allison Williams, Jemima Kirke, Zosia Mamet, Adam Driver, and Alex Karpovsky co-star as Hannah's circle of friends, who are also trying to figure out their own lives and relationships.
 During the course of the series, episodes of "Girls " aired over seasons.
Jeffrey Wright (born December 7, 1965) is an American film, television and stage actor.
 He is known for such roles as Belize in the HBO miniseries "Angels in America", Jean-Michel Basquiat in "Basquiat", Felix Leiter in the James Bond films "Casino Royale" and "Quantum of Solace", Valentin Narcisse in the HBO series "Boardwalk Empire", and Beetee in "The Hunger Games" films.
 He currently stars as Bernard Lowe in the HBO series "Westworld".
Chris Moukarbel is an American director, producer and visual artist.
 His first feature documentary "Me at the Zoo" premiered in competition at Sundance Film Festival in 2012 and was acquired by HBO Documentaries as part of their summer series.
 The film charts the rise of YouTube and tells the story of the first Internet celebrity, Chris Crocker of “Leave Britney Alone!”
 fame.
 Moukarbel was approached by Sheila Nevins to direct the Emmy nominated documentary Banksy Does New York.
 He is also the creator and director of the HBO series Sex On // which takes a look at sex and relationships in the Information age.
 It was conceived as a reboot of the classic show Real Sex.
 His work often explores technology and identity.
Girls is an American television series that premiered on HBO on April 15, 2012.
 Created by and starring Lena Dunham and executive produced by Judd Apatow, "Girls" is a comedy-drama following the lives of four young women living in New York City.
 The show's premise and major aspects of the main character—including being cut off financially from her parents, becoming a writer and making unfortunate decisions—were drawn from Dunham's own life.
 Apatow said he was drawn to Dunham's imagination after watching her independent feature film "Tiny Furniture" (2010), and added that "Girls" would provide men with an insight into "realistic females".

Question: Grace Dunham is the sister of the creator of which HBO series?
Answer: Girls