Supercub the lion died. He is buried in Keyna East Africa with his friend George Adamson. For more information on Supercub the lion see http://en.wikipedia.org/wiki/Supercub_the_lion.
Parents.
Simba. If not, then, you are referring to Nala.
A baby African or Asiatic lion is referred to as a cub. A baby mountain lion is referred to as a kitten.
a lioness
They're about the size of a baby golden retriever.