the rise of camelot

on a rainy morning in a village in the south fo cameliot kingdom a newborn baby crying sound is heard the name of the baby is luca.his mother took her last breath right after his birth. his father noticed while he was holding him that yhere was a scar on his left eyebrow as if it was from a blade of a dagger.this kid is the hero of the story

who is his father? what is the source of that scar?