Intelligence reports have described Ri as coming from an ordinary family, with her father an academic and her mother a doctor.
Following the birth of their son the couple had a baby girl in 2013 and another child just six months ago, according to previous reports from South Korea's intelligence agency.
The first lady had disappeared for an extended period last year, raising speculation that she could be pregnant.
Amid all of the accusations and speculation pouring out of the investigations of Russian meddling in the 2016 US election, the notion that foreign spies are using old-school tactics and personally recruiting agents to divulge sensitive information is actually widely accepted among intelligence officials.
There is no doubt that the rise of information warfare and cyberespionage has changed the spy game in the years since the Cold War.
But the lawyer does not stop there and also presses for the release of Mr Pryor after he was apparently arrested while crossing the border from West to East Berlin shortly before the Berlin Wall was built.
Donovan is shown cleverly negotiating with both the East German and Soviet governments to engineer a two-for-one swap for the Americans in exchange for Rudolf Abel, a KGB spy captured in the US several years earlier who was defended in court by Donovan.
The recent development comes amid heightened tensions following Pyongyang's test launch of two missiles in July that potentially could hit major mainland US cities.
The regime frequently flaunts its intercontinental ballistic missile technology and has repeatedly tested hydrogen bombs - but has so far been unable to combine the two into a lethal weapon.
While more of a public personality than his introverted father Kim Jong-Il ever was, Kim's own personal details remain little known.
Even his exact birthday and the date of his wedding have not been confirmed.
Former NBA star Dennis Rodman, following his trip to the nation in 2013, has been the only source of information about the couple's young daughter - a baby girl named Ju-Ae.