A Surah Yassin book was published with the consent of Hassanal Bolkiah, to mark the 40th day of the passing away of his late father. Churchill Memorial Building He was a keen admirer of the wartime British Prime Minister, Sir Winston Churchill. In 1971, his admiration became clear when he opened the world's only museum solely dedicated to Winston Churchill and it was named the Churchill Memorial Building, Bandar Seri Begawan which costed an estimated $5 million. Since its opening, it had been a notable tourist attraction in Brunei and also became well known throughout Southeast Asia. In 1992, in conjunction with Silver Jubilee of His Majesty's Ascension to the Throne celebrations, the memorial had become the Royal Brunei Regalia Building. Also in 2017, the building was renamed to Royal Regalia Museum in conjunction with the Golden Jubilee. Personal life Family His first wife was Dayang Siti Amin binti Pehin Orang Kaya Pekerma Setia Laila Diraja Awang Haji Hashim, but the couple had no children and later divorced in 1944. On 6 September 1941, he married his cousin as his second wife, Pengiran Anak Damit binti Pengiran Bendahara Seri Maharaja Permaisuara Pengiran Anak Abdul Rahman. She was the great-granddaughter of Hashim Jalilul Alam Aqamaddin. She bore him 10 children: Sultan Hassanal Bolkiah (born 1946) Prince Mohamed Bolkiah (born 1947) Prince Sufri Bolkiah (born 1951) Prince Jefri Bolkiah (born 1954) Princess Masna Bolkiah (born 1948) Princess Nor'ain Bolkiah (born 1950) Princess Amal Umi Kalthum Al-Islam Bolkiah (born 1956) Princess Amal Rakiah Bolkiah (born 1957) Princess Amal Nasibah Bolkiah (born 1960) Princess Amal Jefriah Bolkiah (born 1963) On 13 September 1979, his wife, Paduka Suri Seri Begawan Raja Isteri Pengiran Anak Damit died. After that, for the last time, he married Pengiran Bini Pengiran Anak Hajah Salhah binti Pengiran Bendahara Seri Maharaja Permaisuara Pengiran Anak Abdul Rahman, who was also his sister-in-law. Personal interests He had an interest in writing poems. Apart from that, he was also known for designing the national medals. He also made a design of flowers on his clothes, the "Tenunan Brunei" which he wore on several occasions. Also, he was interested in self-defence martial arts such as silat and kuntau. Legacy Namesakes The capital, Brunei Town, was renamed Bandar Seri Begawan in his honor, on 5 October 1970, by his eldest son, Hassanal Bolkiah. "Begawan" was Omar Ali Saifuddien's title after he abdicated. Omar Ali Saifuddin Mosque