In August 1967, Yusof married
Princess Nor'ain in a two week long celebration. Yusof's father,
Pengiran Anak Mohamed Alam, and Nor'ain's mother,
Queen Damit, were siblings making them first cousins. Two of his siblings also married the siblings of his wife. His sister,
Queen Saleha married
Sultan Hassanal Bolkiah in 1965 and his sister, Zariah, married
Prince Mohamed in 1970. Yusof and Nor'ain had eight children all of whom have the style of Yang Amat Mulia and the title of Pengiran Anak. • Abdul Hadi Bolkiah (born 8 April 1972) • Abdul Jabbar (born 4 February 1974) • Abdul Kadir (born 16 January 1976); married Norashikin binti Johari • Hurma Raiha'anatul Bolkiah (born 12 February 1978) • Siti Radhiah (born 27 June 1980); married
Pengiran Mohammad Ezul Hazrin bin
Pengiran Zohaini • Siti Khadija (born 9 September 1981) • Wahidah Widadul Bolkiah (born 23 August 1982) • Hafiyyah (born 22 October 1989); married
Pengiran Muhammad Aizat bin
Pengiran Yasmin == Career ==