The Treaty of Windsor is the diplomatic alliance signed between Portugal and England on 9 May 1386 at Windsor and sealed by the marriage of King John I of Portugal (House of Aviz) to Philippa of Lancaster, daughter of John of Gaunt, 1st Duke of Lancaster.
 With the victory at the Battle of Aljubarrota, assisted by English archers, John I was recognized as the undisputed King of Portugal, putting an end to the "interregnum" of the 1383–1385 Crisis.
 The Treaty of Windsor established a pact of mutual support between the countries.
Willi und die Windzors (lit.
 "Willi and the Windzors") is a 1996 German comedic television film.
 Produced under the impression of the continued scandals surrounding members of the British Royal Family during the mid-1990s, the parody film presents an alternate history in which Britain becomes a republic so that Queen Elizabeth II and her family (the Windsors, which is deliberately misspelled in the title) are expelled from their country and move in with relatives in Germany.
 The film was directed by Hape Kerkeling, who also appears as the titular character, Willi Bettenberg (cf. Battenberg and the House of Mountbatten), the royal family's (fictitious) next of kin.
Duke of Windsor was a title in the Peerage of the United Kingdom.
 It was created on 8 March 1937, for the Prince Edward, former King Edward VIII, following his abdication in December 1936.
 The dukedom takes its name from the town where Windsor Castle, a residence of English monarchs since the time of Henry I, following the Norman Conquest, is situated.
 Windsor has been the house name of the Royal Family since 1917.
Windsor—Walkerville was a federal electoral district that was represented in the Canadian House of Commons from 1968 to 1988.
 It was located in the southwest corner of the province of Ontario.
 This riding was created in 1966 from parts of Essex East and Essex West ridings.
 The electoral district was abolished in 1987 when it was merged into Windsor—Lake St. Clair riding, which was later renamed Windsor—St. Clair.
The Old Constitution House is a historic house at 16 North Main Street in Windsor, Vermont.
 It is the birthplace of the Vermont Republic and the Constitution of the State of Vermont.
 A mid-18th century building built in a simple Georgian architectural style, the Old Constitution House was originally called the Windsor Tavern, and belonged to Elijah West at the time of the signing of the constitution.
 The house is a Vermont State Historic Site, and is administered by the Vermont Division for Historic Preservation.
 It is also listed on National Register of Historic Places, separately since March 11, 1971 as well as a part of the Windsor Village Historic District since April 23, 1975.
The Windsors is a British soap opera and parody of the British Royal Family, the House of Windsor, shown on Channel 4, first broadcast in April 2016 and starring Harry Enfield, Haydn Gwynne, Katy Wix, Hugh Skinner, Louise Ford, Morgana Robinson, Richard Goulding, and Ellie White.
Windsor Forge Mansion, also known as Windsor Place, is a historic home and national historic district located at Caernarvon Township, Lancaster County, Pennsylvania.
 The district includes four contributing buildings and three contributing objects.
 The buildings are the Ironmaster's Mansion, stone smokehouse (c. 1765), stone spring house (c. 1765), and stone summer kitchen / servant's quarters (c. 1765).
 The three objects are pieces by noted artist and poet Blanche Nevin (1841-1925), who purchased Windsor Forge Mansion in 1899.
 Her grandfather Robert Jenkins (1769 - 1848) had previously been ironmaster and congressman.
 The oldest section of the Ironmaster's Mansion was built about 1742; the western section was built about 1765, and the connecting middle section about 1815.
 A shed roof porch was added in 1899, at which time it was generally renovated.
 The house is 2 1/2-stories and built of stone.
 Nevin added a studio to the house.
Windsor Stadium is a 3,000-capacity stadium located in Windsor, Ontario, Canada, the stadium is mainly used for Canadian Football and soccer, but has hosted rugby and other sports.
 It is home to the Ontario Football Conference team the Windsor AKO Fratmen and Canadian Soccer League team the Windsor Stars.
 Windsor Stadium is located within Jackson Park.
The House of Windsor is the royal house of the United Kingdom and the other Commonwealth realms.
 The dynasty is of German paternal descent and was originally a branch of the House of Saxe-Coburg and Gotha, itself derived from the House of Wettin, and it succeeded the House of Hanover as monarchs in the British Empire following the death of Queen Victoria, wife of Albert, Prince Consort.
 The houses of Saxe-Coburg and Gotha and Windsor have provided five British monarchs to date, including four kings and the present queen, Elizabeth II.
The Hezekiah Chaffee House is a historic house museum on Meadow Lane in Windsor, Connecticut.
 Built about 1765, it is one of Windsor's largest and most elaborate Georgian brick houses.
 The house was listed on the National Register of Historic Places in 1972, and is a contributing property to the Palisado Avenue Historic District, listed in 1987.
 It is owned and operated by the Windsor Historic Society, which offers tours on a year-round basis.

Question: What is the Windsors which stars the House of Windsor?
Answer: British soap opera