Question: Kiko, Princess Akishino, born 11 September 1966 as Kiko Kawashima is the wife of which member of the Japanese imperial family, born 30 November 1965, and is the second son of Emperor Akihito and Empress Michiko of Japan?
Context: Kikuko, Princess Takamatsu (宣仁親王妃喜久子 , Nobuhito Shinnōhi Kikuko ) , born Kikuko Tokugawa (徳川喜久子 , Tokugawa Kikuko , 26 December 1911 – 18 December 2004) , known informally as Princess Kikuko, was a member of the Japanese Imperial Family.  The Princess was the widow of Prince Takamatsu, the third son of Emperor Taishō and Empress Teimei.  She was, therefore, a sister-in-law of Emperor Shōwa and an aunt of the present emperor, Akihito.  She was mainly known for philanthropic activities, particular her patronage of cancer research organizations.  At the time of her death, Princess Takamatsu was the oldest member of the Imperial Family. Kiko, Princess Akishino (文仁親王妃紀子 , Fumihito Shinnōhi Kiko ) , born 11 September 1966 as Kiko Kawashima (川嶋紀子 , "Kawashima Kiko" ) , is the wife of Fumihito, Prince Akishino, the second son of Emperor Akihito and Empress Michiko of Japan.  She is also known as Princess Kiko. Princess Mako of Akishino (眞子内親王 , Mako Naishinnō , born 23 October 1991) is the first child and oldest daughter of Fumihito, Prince Akishino and Kiko, Princess Akishino, and a member of the Japanese Imperial Family.  She is the eldest grandchild of Emperor Akihito and Empress Michiko. Prince Kuni Asaakira (久邇宮 朝融王 , Kuni-no-miya Asaakira-ō , 2 February 1901 – 7 December 1959) , was third head of the Kuni-no-miya, a collateral branch of the Japanese imperial family and vice admiral in the Japanese Imperial Navy during World War II.  He was the elder brother of Empress Kojun (Nagako), the consort of Emperor Shōwa (Hirohito), and thus a maternal uncle to the current Emperor Akihito. 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. Fumihito, Prince Akishino (秋篠宮文仁親王 , Akishino-no-miya Fumihito Shinnō , born 30 November 1965) is a member of the Japanese imperial family.  He is the younger son of Emperor Akihito and Empress Michiko and currently second in line to the Chrysanthemum Throne. Prince Hisahito of Akishino (悠仁親王 , Hisahito Shinnō , born 6 September 2006) is the youngest child and only son of Fumihito, Prince Akishino and Kiko, Princess Akishino.  He is the only grandson of Emperor Akihito and Empress Michiko.  Hisahito is third in line to become Emperor of Japan, after his uncle Naruhito and his father. Kazuko Takatsukasa (鷹司和子 , Takatsukasa Kazuko , 30 September 1929 – 26 May 1989) , formerly Kazuko, Princess Taka (孝宮和子内親王 , Taka-no-miya Kazuko Naishinnō ) , was the widow of Toshimichi Takatsukasa and third daughter of Emperor Shōwa and Empress Kōjun.  She was an elder sister to the present Emperor of Japan, Emperor Akihito.  She married Toshimichi Takatsukasa on 21 May 1950.  As a result, she gave up her imperial title and left the Japanese Imperial Family, as required by law. Princess Kako of Akishino (佳子内親王 , Kako Naishinnō , born 29 December 1994) is the second daughter of Fumihito, Prince Akishino and Kiko, Princess Akishino, and a member of the Japanese Imperial Family.  She is the second-eldest grandchild of Emperor Akihito and Empress Michiko. Setsuko, Princess Chichibu (雍仁親王妃勢津子 , Yasuhito Shinnōhi Setsuko ) , born Setsuko Matsudaira (松平節子 , Matsudaira Setsuko , 9 September 1909 – 25 August 1995) , was a member of the Japanese Imperial Family.  The Princess was the wife of Prince Chichibu, the second son of Emperor Taishō and Empress Teimei.  She was, therefore, a sister-in-law of Emperor Shōwa and an aunt of the present emperor, Akihito.
Answer: Fumihito, Prince Akishino