Konrad
From The Battle for Wesnoth Wiki
Konrad (b. ~499-501 YW) is the youngest son of Prince Arand. Presumed to have survived the mass royal murder conducted by Queen Asheviere, he had indeed died.
A peasant boy whom Delfador had named Konrad, with the help of Li'sar, overthrew the tyrannical rule of Asheviere. He married Li'sar and became King around 520-563 YW
He is the main character (if chosen) in the game's tutorial.
History
The Original Konrad, was the youngest of many dons born to Prince Arand. However, when the Queen orderd all princes executed, Delfador rushed to save the little baby. Unfortunately, by the time he got there, he saw the murderer killing the child. He quickly finished off that soldier, but it was too late.