Question: Who is the mother of the Romance Writers of America's first president?

Context paragraphs:
RITA Award: The RITA Award is the most prominent award given throughout the genre of romance fiction.  It is presented by Romance Writers of America (RWA).  The purpose of the RITA Award is to promote excellence in the romance genre by recognizing outstanding published novels and novellas.  It is named for the RWA's first president, Rita Clay Estrada.

Joan Elliott Pickart: Joan Elliott Pickart is a popular United States writer of over 100 romance novels since 1984.  She also writes under the pen name Robin Elliott.  She is the co-founder of the Professional Writers of Prescott, a member of the national Romance Writers of America, the Phoenix Desert Rose Chapter of Romance Writers of America (RWA), and a charter member and co-president of the Northern Arizona RWA.

Kate McMurray: Kate McMurray is an author of gay romance who has served as president of Rainbow Romance Writers, the LGBT romance chapter of Romance Writers of America.  Her stories have been published in English, French, Italian, and Spanish.  She was born on July 3, 1980 and lives with her two cats in Brooklyn, NY.

Presidency of Benigno Aquino III: The Presidency of Benigno S. Aquino III, also known as Benigno Aquino III Administration, began at noon on June 30, 2010, when he became the fifteenth President of the Philippines, succeeding Gloria Macapagal-Arroyo.  Aquino is the third-youngest person to be elected president, and the fourth-youngest president after Emilio Aguinaldo, Ramon Magsaysay and Ferdinand Marcos.  Aquino is the first president to be a bachelor, being unmarried and having no children.  Aquino is the second president not to drink alcoholic beverages; the first president not to drink alcohol was Emilio Aguinaldo.  Aquino is the eighth president to be a smoker.  Aquino is the first graduate of Ateneo de Manila University to become president.  Aquino is the third president who will only hold office in Malacañan Palace, but not be a resident, following Corazon Aquino and Fidel V. Ramos.  Aquino is the first president to make "Bahay Pangarap" his official residence.  Aquino is the third president to use his second given name, "Simeon", as his middle initial, as Manuel L. Quezon and José P. Laurel did.  Aquino is the second president to be a child of a former president, his mother was former President Corazon Aquino; the first president to be a child of a former president was President Gloria Macapagal-Arroyo, who is the daughter of former President Diosdado Macapagal.

Sarah MacLean: Sarah MacLean (born December 17, 1978) is a New York Times bestselling American author of young adult novels and romance novels.  Her first adult romance novel, "Nine Rules to Break When Romancing a Rake" debuted on the New York Times Bestseller List, where it stayed for four weeks.  Since then, all of her adult romance novels have been on the New York Times and USA Today bestseller lists.  Since February 2014, MacLean has written a monthly romance novel review column for The Washington Post.  She is a two-time winner of the Romance Writers of America RITA Award for Best Historical Romance for "A Rogue by Any Other Name" in 2013 and "No Good Duke Goes Unpunished" in 2014.

Debbie Macomber: Debbie Macomber (born October 22, 1948 in Yakima, Washington) is an American author of romance novels and contemporary women's fiction.  Four of her novels have become made-for-TV movies.  Macomber was the inaugural winner of the fan-voted Quill Award for romance in 2005 and has been awarded both a Romance Writers of America RITA and a lifetime achievement award by the Romance Writers of America.

Robin House Wells: Robin Rouse Wells is an American author of romance novels.  She received her entry into the publishing world in 1995, when she won the Romance Writers of America's Golden Heart Award for previously unpublished writers.  Silhouette Books promptly purchased her winning novel, "The Wedding Kiss".  Within seven months, they had purchased two additional novels from her.  She has since twice won the National Reader's Choice Award, given by the Oklahoma Romance Writers of America.  She has also won the Holt Medallion from the Virginia Romance Writers of America and the Award of Excellence from the Colorado Romance Writers of America.

Rita Clay Estrada: Rita Clay Estrada (born July 31, 1941 in Michigan, US) is an US writer of romance novels as Rita Clay, Tira Lacy and Rita Clay Estrada, she also wrote non-fiction books about writing romance novels.  She was the first president of the Romance Writers of America, and founding member with her mother Rita Gallagher.

Eileen Dreyer: Eileen Dreyer is a New York Times bestselling American author of contemporary romance, historical romance and suspense and also publishes under the pen name Kathleen Korbel.  She is a five-time winner of the Romance Writers of America RITA Award and in 1995 was inducted into the Romance Writers of America Hall of Fame.  In 2014, she competed on the TV game show Jeopardy!.

Dani Harper: Dani Harper is an American author of paranormal fantasy and paranormal romance and a member of the Romance Writers of America, the Published Authors Network and the Fantasy, Futuristic, and Paranormal sub-chapter of the Romance Writers of America.  She is best known for her Changeling series, the Grim series and the Dark Wolf series.

Supporting paragraphs: RITA Award Rita Clay Estrada
Answer: Rita Gallagher