Question: Aiko, Princess Toshi is the only child of Crown Prince Naruhito and what princess who was born on December 9, 1963, and is a member of the Imperial house of Japan through marriage?

Context articles: George H. W. Bush vomiting incident
Tōgū Palace
Wilhelm, German Crown Prince
100 Famous Japanese Mountains
Prince Tomohito of Mikasa
Masako, Crown Princess of Japan
Li Zhong
Muqrin bin Abdulaziz
Aiko, Princess Toshi
Yi Un

On January 8, 1992, Bush was attending a state event for 135 diplomats held at the home of the Japanese Prime Minister, near the end of the President's 12-day trade-oriented trip through Asia.
 Earlier that day Bush had played a doubles tennis match in which the Emperor of Japan Akihito and his son the Crown Prince Naruhito beat Bush and his partner, a former U.S. ambassador to Japan.
The Tōgū Palace (東宮御所 , Tōgū-gosho ) is located in the Akasaka Estate in Akasaka, Tokyo, and is the official residence of Crown Prince Naruhito, Crown Princess Masako and their daughter Princess Toshi.
Wilhelm, German Crown Prince (German: "Kronprinz Wilhelm von Preußen" ; 6 May 1882 – 20 July 1951) , full name Friedrich Wilhelm Victor August Ernst, was the eldest child of the future German Emperor Wilhelm II and his wife Empress Augusta Victoria, and the last Crown Prince of the German Empire and the Kingdom of Prussia.
 After the death of his grandfather Emperor Frederick III, Wilhelm became crown prince at the age of six, retaining that title for more than 30 years until the fall of the empire on 5 November 1918.
 During World War I, he commanded the 5th Army from 1914 to 1916 and was commander of Army Group German Crown Prince for the remainder of the war.
 Crown Prince Wilhelm became Head of the House of Hohenzollern on 4 June 1941 following the death of his father and held the position until his own death on 20 July 1951.
100 Famous Japanese Mountains (日本百名山 , Nihon Hyaku-meizan ) is a book composed in 1964 by mountaineer and author Kyūya Fukada.
 The list became famous when Crown Prince Naruhito took note of it .
 The list has been the topic of NHK documentaries, and other hiking books.
Prince Tomohito of Mikasa (寛仁親王 , Tomohito Shinnō , 5 January 1946 – 6 June 2012) was a member of the Imperial House of Japan and the eldest son of Takahito, Prince Mikasa and Yuriko, Princess Mikasa.
 He was a first cousin of Emperor Akihito, and was formerly sixth in the line of succession to the Japanese throne and the heir apparent to the princely house of Mikasa-no-miya and the title "Prince Mikasa".
 Prince Tomohito was the first member of the Imperial House of Japan with a full beard since Emperor Meiji, thus earning him the popular nickname of the "Bearded Prince" (ヒゲの殿下 "Hige no Denka").
 He died of cancer on 6 June 2012, aged 66.
Masako, Crown Princess of Japan (皇太子徳仁親王妃雅子 , Kōtaishi Naruhito Shinnōhi Masako ) , born Masako Owada (小和田雅子 , "Owada Masako" ) on 9 December 1963, is the wife of Naruhito, Crown Prince of Japan, who is the eldest son of Emperor Akihito and Empress Michiko and the heir apparent to the Chrysanthemum Throne.
 She is a member of the Imperial House of Japan through marriage.
 Should the Crown Prince ascend the throne as expected upon his father's abdication, Masako will become empress consort.
Li Zhong (李忠) (643 – January 6, 665), courtesy name Zhengben (正本), formally Prince of Yan (燕王), was a crown prince of the Chinese dynasty Tang Dynasty.
 He was the oldest son of Emperor Gaozong (Li Zhi) and was created crown prince in 652 even though he was not the son of his then-wife Empress Wang.
 After Empress Wang was displaced by Empress Wu (later known as Wu Zetian) in 655, however, Li Zhong was caught in Empress Wu's crosshairs and was forced to yield the crown prince position to his younger brother Li Hong, born of Empress Wu, in 656.
 He was later further reduced to commoner rank and put under house arrest, and when the chancellor Shangguan Yi failed in his attempt to persuade Emperor Gaozong to depose Empress Wu in 664 and was executed, Empress Wu took the opportunity to accuse Li Zhong of being complicit in Shangguan's plans.
 Around the new year 665, Emperor Gaozong ordered Li Zhong to commit suicide.
 He was posthumously honored an imperial prince, but not a crown prince, during the second reign of his brother Emperor Zhongzong.
Muqrin bin Abdulaziz Al Saud (Arabic: مقرن بن عبدالعزيز آل سعود‎ ‎ ; born 15 September 1945) is a member of House of Saud who served as Crown Prince of Saudi Arabia from January to April 2015.
 He was Director General of Al Mukhabarat Al A'amah (Saudi Intelligence Agency) from 2005 to 2012.
 In July 2012, Muqrin was appointed King Abdullah's Advisor and Special Envoy with the rank of minister.
 On 1 February 2013, King Abdullah named him as Second Deputy Prime Minister, being the fifth Saudi royal to hold this position.
 This post was previously held by King Fahd, King Abdullah, Crown Prince Sultan, and Crown Prince Nayef.
 On 27 March 2014, he was named Deputy Crown Prince making him second in the line of succession behind his brother Salman bin Abdulaziz Al Saud.
 On 23 January 2015, upon King Abdullah's death and the accession of King Salman, Muqrin became Crown Prince and First Deputy Prime Minister.
 On 29 April 2015, King Salman replaced Prince Muqrin with Prince Muhammad bin Nayef as Crown Prince.
Aiko, Princess Toshi (敬宮愛子内親王 , Toshi-no-miya Aiko Naishinnō , born 1 December 2001) is the only child of Crown Prince Naruhito and Crown Princess Masako of Japan.
Lieutenant General Prince Imperial Yeong, the Yi Un, Crown Prince Uimin (also Euimin), also known as Yi Un, Yi Eun, Lee Eun, and Un Yi (20 October 1897 – 1 May 1970), was the 28th Head of the Korean Imperial House, an Imperial Japanese Army general and the last crown prince of Korea.