Mystery children and sibling rivalries - this is Kim Jong Un's family tree

Wikipedia

Statues commemorate Kim Il-sung and Kim Jong-il.

• The Kim family has long kept quiet about exactly who belongs to their sprawling, complex family tree.
• But thanks mostly to South Korean intelligence, we have a pretty good idea.

Few political figures have drawn such intense curiosity as the secretive Kim Jong Un and the people believed to make up his family tree.

Even though Kim has become the face of North Korea to the world in recent years in light of his missile testing, feuds with President Donald Trump, and tendency to make outrageous public statements, Kim comes from a line of Communist Party dignitaries and North Korean heads of state that stretches back to the end of World War II. 

Like his father and grandfather, Kim keeps key details about his family withheld from the public, giving few clues about the lives of his wife and young children. But the penchant for privacy hasn't stopped international media and South Korean intelligence from attempting to learn all they can about him.

In honor of what is believed to be the supreme leader's 34th birthday, here's a look at the mysterious North Korean figures that make up his family tree.