( CNN ) -- North Korea 's youthful leader , Kim Jong Un , has married a woman named Ri Sol Ju , according to a report by state news agency KCNA Wednesday . The couple appeared together at the opening of the Rungna People 's Pleasure Ground in the capital , Pyongyang , the news agency said . Kim and his wife toured the park in the company of local and international officials and watched dolphins perform stunts to music , KCNA said . The park , on the Taedong River , includes a dolphinarium , wading pool , fun fair and mini golf course , it said . No details were given of when Kim and Ri were married , but she is referred to several times by the news agency as his wife . Little is known about Kim , who became the third generation of his family to lead his reclusive country when he assumed power following the death of his father , Kim Jong Il , in December . Kim Jong Il , known as `` Dear Leader , '' had ruled for 17 years after inheriting power from the country 's founding father , Kim Il Sung , the eternal president and `` Great Leader . '' North Korea 's cult of personality surrounds Kim . Kim Jong Un was granted the title of `` Supreme Leader . '' His age is still a source of speculation , though it 's thought that he 's in his late 20s . This month , there was much speculation about the identity of a young woman who was by his side during more than one official engagement . On one occasion , she accompanied the young leader to a Pyongyang theater on a Friday night to watch a performance of North Korea 's Moranbong band . The display included a cast of Disney characters , although The Walt Disney Co. said their use was not authorized . The same woman was seen on state TV two days later , walking a few paces behind Kim as he toured Kumsusan Palace in Pyongyang , and then she was shown standing to attention at Kim 's side as they and top military officials paid tribute to his grandfather . Her appearance was a sufficiently unusual event to prompt newspaper headlines in neighboring South Korea . What Kim 's 'mystery woman ' says about North Korea . Analysts have watched North Korea closely for clues to any shift in direction since Kim Jong Un assumed power . `` He is the youngest head of state in the world , '' analyst Patrick Chovanec said . `` There 's still a lot of debate about how much power he has , whether other family members are in control or the military . '' In April , Kim gave his first televised speech since assuming the country 's leadership , when he addressed hundreds of troops and others in Pyongyang as part of a massive , orchestrated celebration marking 100 years since the birth of his grandfather . He gave his second public speech in June , before tens of thousands of children in Pyongyang on the 66th anniversary of the Korean Children 's Union . His father is believed to have made only one brief broadcast while in charge . According to what little has been revealed about him , Kim Jong Un was educated partly in Switzerland , loves music and Western movies , and is a huge basketball fan . He is the youngest son of Kim Jong Il . Shooting hoops for peace in North Korea . CNN 's Paula Hancocks and Christabelle Fombu contributed to this report .
NEW : Kim Jong Un and his wife attended the opening of a new theme park , state media reports . NEW : No details are given on when Kim and Ri Sol Ju were married . The presence of a woman by Kim Jong Un 's side this month sparked speculation . Little is known about the youthful leader of the reclusive country .