Title: Gladys Guggenheim Straus
Content:  She was born in Elberon, New Jersey on August 15, 1895 as Gladys Eleanor Guggenheim. She was a daughter of Florence (née Shloss) Guggenheim (1863–1944) and Daniel Guggenheim. She had two brothers, who were both U.S. Ambassadors, Meyer Robert Guggenheim (to Portugal) and Harry Frank Guggenheim (to Cuba). Her father who assumed control of the Guggenheim family enterprises after her grandfather's death in 1905, and her mother was a co-founder, and president, of the Guggenheim Foundation as well as the treasurer of the Women's National Republican Club from its inception in 1921 to 1938. Her paternal grandparents were Barbara (née Myers) Guggenheim and Meyer Guggenheim, the 
Title: Gladys Guggenheim Straus
Content:  patriarch of the Guggenheim family. At the time of Gladys' death in 1980, she was the second last surviving grandchild of Meyer Guggenheim. The last was the Eleanor May, Dowager Countess of Castle Stewart, the widow of Arthur Stuart, 7th Earl Castle Stewart. Her maternal grandparents were Lazarus Shloss and Barbara (née Kahnweiler) Shloss of Philadelphia. In her youth, her parents lived in Manhattan and bought the former Howard Gould estate in Port Washington on the Gold Coast of Long Island. She was educated at the Rosemary Hall in Greenwich, Connecticut from 1910 to 1913 and planned to attend Bryn Mawr College but married Straus instead.
Title: Harry Frank Guggenheim
Content:  He was born August 23, 1890, in West End, New Jersey. He was the second son of Florence (née Shloss) Guggenheim (1863–1944) and Daniel Guggenheim. He had an older brother, U.S. Ambassador to Portugal Meyer Robert Guggenheim, and a younger sister, Gladys Guggenheim Straus. His father who assumed control of the Guggenheim family enterprises after his grandfather's death in 1905, and his mother was a co-founder, and president, of the Guggenheim Foundation as well as the treasurer of the Women's National Republican Club from its inception in 1921 to 1938. He graduated in 1907 from the Columbia Grammar School in Manhattan, and then he attended the Sheffield Scientific School of Yale University. He later left Yale and served a three-year apprenticeship at the American Smelting and Refining Company in Mexico. The company was owned by the Guggenheim family. He resumed his education in 1910 at England's Pembroke College at Cambridge University from which he was awarded a B.A. and an M.A., both in 1913.
Title: Gladys Guggenheim Straus
Content:  Gladys Eleanor Guggenheim Straus (August 15, 1895 – March 14, 1980) was an American heiress who became an expert on food and nutrition.
Title: Guggenheim family
Content:  Harry Frank Guggenheim (1890–1971) ; Diane Guggenheim (1924–1991) ; Gladys Eleanor Guggenheim (1895–1980), m. Roger Williams Straus (1891–1957) (m. 1914–his death) ; Roger Williams Straus, Jr. (1917–2004), a founder and chairman of Farrar, Straus and Giroux, publishers ; Roger Williams Straus III (1943–) ; Maurice "Murry" Guggenheim (1858–1939), m. Leonie Bernheim (1865–1959) (m. 1887–his death) ; Edmond A. Guggenheim (1888–1972), m. Marion Price (1888–1992) ; Lucille Guggenheim (1894–1972), m. Frederic Adam Gimbel (1891–1996), div. ; Solomon R. Guggenheim (1861–1949), founded the Solomon R. Guggenheim Museum and Foundation; m. Irene M. Rothschild (1868–1954), daughter of Victor Henry Rothschild (m. 1895–his death) ; Eleanor Mary Guggenheim (1896–1992), m. Arthur 
Title: Solomon R. Guggenheim
Content:  Guggenheim was born in Philadelphia, Pennsylvania, son of Meyer and Barbara Guggenheim and brother of Simon, Benjamin, Daniel, and five other siblings. He was of Swiss and Ashkenazi Jewish ancestry. Following studies in Switzerland at the Concordia Institute in Zürich, he returned to the United States to work in the family mining business, later founding the Yukon Gold Company in Alaska. In 1891, he turned around the Compañia de la Gran Fundición Nacional Mexicana. He married Irene Rothschild, daughter of Victor Henry Rothschild, in 1895. His children were Eleanor May (1896–1992; later Lady Castle Stewart after her marriage to Arthur 
Title: Harry Frank Guggenheim
Content:  under President Grover Cleveland. Before their divorce in 1923, they were the parents of one daughter:  On July 1, 1939, Guggenheim married for the third time to Alicia (née Patterson) Brooks (1906–1963) in Jacksonville, Florida. Alicia, the former wife of U.S. Representative James Simpson Jr. and football coach Joseph W. Brooks, was a daughter of Joseph Medill Patterson (founder of the New York Daily News) and sister of James Joseph Patterson. Guggenheim died of cancer on January 22, 1971, at "Falaise", his home at Sands Point on Long Island, New York. He was buried in Salem Fields Cemetery in Brooklyn, New York.
Title: Daniel Guggenheim
Content:  On July 22, 1884, he married Florence Shloss; they had three children: Meyer Robert Guggenheim; Harry Frank Guggenheim; and Gladys Eleanor Guggenheim Straus. He died on September 28, 1930, at his palatial home, Hempstead House, in Port Washington, New York. He was 74.
Title: Charles Guggenheim
Content:  Guggenheim was born in Cincinnati, Ohio, into a prominent German-Jewish family, the son of Ruth (Stix) and Jack Albert Guggenheim. His father and grandfather had a furniture business. He suffered from dyslexia as a child but the condition went undiagnosed and he was thought to be a "slow learner." He did not learn to read until the age of nine. While studying farming at Colorado A&M in 1943, Guggenheim was drafted into the United States Army assigned to the 106th Division. Due to a severe foot infection, he avoided active duty in the Battle of the Bulge. Upon discharge from the service, he finished his college education at University of Iowa in 1948 and then moved to New York City to pursue a career in broadcasting.
Title: Gladys Guggenheim Straus
Content: Oscar Solomon Straus II (1914–2013), who married Marion Miller (b. 1913). They divorced and he married Joan Treble Sutton. ; Roger Williams Straus Jr. (1917–2004), a co-founder and chairman of book publishing company Farrar, Straus and Giroux who married Dorothea Liebmann (granddaughter of Charles Liebmann). ; Florence Guggenheim Straus, who married Max A. Hart (1919–1999), of the Hart Schaffner Marx clothing family, in 1947. On January 12, 1914, Gladys was married to Roger Williams Straus Sr. (1891–1957). Straus served as president of the American Smelting and Refining Company and was the only son of Oscar Straus (the former Secretary of Commerce and Labor and Ambassador to the Ottoman Empire) and Sarah Lavanburg Straus. Roger's uncle and aunt, Isidor Straus and Ida Straus, and Gladys' uncle, Benjamin Guggenheim, perished aboard the HMS Titanic in April 1912. Together, Gladys and Roger lived at 6 East 93rd Street in Manhattan and their country home in Purchase, New York, and were the parents of two sons and one daughter:  Her husband suffered a heart attack while fishing near his lodge at Grahamsville and died at Liberty, New York on July 28, 1957. Gladys died on March 14, 1980 in her Manhattan apartment.

Question: Who is the father of Gladys Eleanor Guggenheim?
Answer: Daniel Guggenheim.