It would be easy to say Peter, due to the fact that Edmund betrayed his brother and sisters in the beginning. However, Edmund also was brave enough to come back and face what he did. Peter also made his mistakes in being overly judgmental and harsh on his younger brother. Both brothers had their own screw ups, but they also did everything they could to make up for them. If there has to be a better though, it would probably be Peter just for the reason that he was made the High King by Aslan.
The four children in 'The Lion, the Witch, and the Wardrobe' are Peter, Susan, Edmund, and Lucy Pevensie. They are the main characters who discover the magical land of Narnia through a wardrobe in a professor's house.
A wardrobe.
They are grown Men/Kings
Peter is the eldest, then susan, then Edmund, then Lucy Peter Pevensey
The Son of Adam is Peter and Edmund
The first child to enter Narnia through the wardrobe, was Lucy Pevensie. But her siblings, Peter, Susan, and Edmund, all went through after her.
In order from oldest to youngest: Peter Susan Edmund Lucy
The book that begins with the line "Once there were four children whose names were Peter, Susan, Edmund and Lucy" is "The Lion, the Witch, and the Wardrobe" by C.S. Lewis.
In "The Lion, the Witch, and the Wardrobe", Peter, Susan, Lucy, and Edmund ruled for many years in Narnia, but it is not specifically mentioned how long they reigned. It can be inferred that they ruled for a significant period before they outgrew their time in Narnia and returned to the real world.
The four main characters in "The Lion, the Witch, and the Wardrobe" are Peter, Susan, Edmund, and Lucy Pevensie. They are the four siblings who discover the magical land of Narnia through a wardrobe in a professor's house and become central figures in the fight against the White Witch's tyranny.
C.S. Lewis named the four children in "The Lion, the Witch, and the Wardrobe" after his own friends' children. Peter and Susan were named after Peter and Susan Martin, Edmund after Edmund Kirkpatrick, and Lucy after Lucy Barfield. Lewis wanted to pay homage to the children who inspired him.
Lucy and Edmund initially enter Narnia through a wardrobe in the Professor's house in "The Lion, the Witch and the Wardrobe" by C.S. Lewis. Lucy discovers the magical land first, and later Edmund follows her.