Question: Patti Davis, is an American actress and author, she's the daughter of which U.S. President, who was an American statesman and actor who served as the 40th President of the United States, from 1981 to 1989?

Context paragraphs:
Bernhard Vogel (politician): Bernhard Vogel (born 19 December 1932) is a German politician (CDU).  He was the 4th Minister President of Rhineland-Palatinate from 1976 to 1988 and the 2nd Minister President of Thuringia from 1992 to 2003.  He is the only person to have been head of two different German federal states and is the longest governing Minister President of Germany.  He served as the 28th and 40th President of the Bundesrat in 1976/77 and 1987/88.

First inauguration of Ronald Reagan: The first inauguration of Ronald Reagan as the 40th President of the United States was held on Tuesday, January 20, 1981, on the West Front of the United States Capitol in Washington, D.C..  This was the first inauguration to be held on the building's west side.  The inauguration marked the commencement of the first four-year term of Ronald Reagan as President and of George H. W. Bush as Vice President.  Chief Justice Warren E. Burger administered the presidential oath of office to Reagan, who placed his hand upon a family Bible given to him by his mother, open to .  Associate Justice Potter Stewart administered the vice presidential oath to Bush.

John F. Kennedy: John Fitzgerald "Jack" Kennedy (May 29, 1917 – November 22, 1963), commonly referred to by his initials JFK, was an American statesman who served as the 35th President of the United States from January 1961 until his assassination in November 1963.  Kennedy served at the height of the Cold War, and much of his presidency focused on managing relations with the Soviet Union.  He was a member of the Democratic Party who represented Massachusetts in the United States House of Representatives and the United States Senate prior to becoming president.

Patti Davis: Patti Davis (born October 21, 1952) is an American actress and author.  She is the daughter of U.S. President Ronald Reagan and his second wife, First Lady Nancy Reagan.

Theodore Roosevelt: Theodore Roosevelt Jr. ( ; October 27, 1858 – January 6, 1919) was an American statesman, author, explorer, soldier, naturalist, and reformer who served as the 26th President of the United States from 1901 to 1909.  He also served as the 25th Vice President of the United States from March to September 1901 and as the 33rd Governor of New York from 1899 to 1900.  As a leader of the Republican Party during this time, he became a driving force for the Progressive Era in the United States in the early 20th century.  His face is depicted on Mount Rushmore, alongside those of George Washington, Thomas Jefferson, and Abraham Lincoln.

Gerald Ford: Gerald Rudolph Ford Jr. (born Leslie Lynch King Jr.; July 14, 1913 – December 26, 2006) was an American politician who served as the 38th President of the United States from August 1974 to January 1977, following the resignation of Richard Nixon.  Prior to this he served eight months as the 40th Vice President of the United States, following the resignation of Spiro Agnew.  He was the first person appointed to the vice presidency under the terms of the 25th Amendment, and consequently the only person to have served as both Vice President and President of the United States without being elected to executive office.  Before his appointment to the vice presidency, Ford served 25 years as U.S. Representative from Michigan's 5th congressional district, the final nine of them as the House Minority Leader.

Colin Powell: Colin Luther Powell ( ; born April 5, 1937) is an American statesman and a retired four-star general in the United States Army.  Powell was born in Harlem as the son of Jamaican immigrants.  During his military career, Powell also served as National Security Advisor (1987–1989), as Commander of the U.S. Army Forces Command (1989) and as Chairman of the Joint Chiefs of Staff (1989–1993), holding the latter position during the Persian Gulf War.  Powell was the first, and so far the only, African American to serve on the Joint Chiefs of Staff.  He was the 65th United States Secretary of State, serving under U.S. President George W. Bush from 2001 to 2005, the first African American to serve in that position.

Ronald Reagan Presidential Library: The Ronald Reagan Presidential Library and Center for Public Affairs is the presidential library and final resting place of Ronald Wilson Reagan, the 40th President of the United States (1981–1989), and his wife Nancy Reagan.  Designed by Hugh Stubbins and Associates, the library is in Simi Valley, California, about 40 mi northwest of Downtown Los Angeles and 15 mi west of Chatsworth.

Nancy Reagan: Nancy Davis Reagan (born Anne Frances Robbins; July 6, 1921 – March 6, 2016) was an American film actress and the wife of Ronald Reagan, the 40th President of the United States.  She served as the First Lady of the United States from 1981 to 1989.

Ronald Reagan: Ronald Wilson Reagan ( ; February 6, 1911 – June 5, 2004) was an American statesman and actor who served as the 40th President of the United States from 1981 to 1989.  Before his presidency, he was the 33rd Governor of California, from 1967 to 1975, after a career as a Hollywood actor and union leader.

Supporting paragraphs: Patti Davis Ronald Reagan
Answer: Ronald Wilson Reagan