I have to send all of these babies to sea to keep my thrown and my life
Come with me so you may live
I don't understand
This is your son Mordred my lady.
Hey I'm right here
King Arthur had been seduced by his half-sister in which he was unaware of the fact that that is who she was. The sorcerer, Merlin, had a prophecy of the child in which will be his son/nephew will grow to one day kill him and take his spot on the thrown and the only way to keep this from happening will be to kill all of the boy babies in the kingdom
Bark, I'm the Brachet named gull, bark
Mordred was saved by a couple that lived on the sea and was raised there for many years until one day a sorceress named nyneve came and took him away because if anyone found him he would be killed immediately.
I must escape this fate
Nyneve takes Mordred to the land of his mother and she is not happy that he is there. She is now married to a new king known as King Lothe. Nither of these characters are particularly fond of Mordred and he kind of has to grow up on his own through his years of childhood.
Mordred, my son
After quite a few years Mordred decides that it is time for him to meet his true father and that he will travel to Camelot and he will live with his two brothers and have more people there who know him and treat him a little better.
After Mordred is eventually Knighted by King Arthur and he has yet to recognize him as his son Mordred decides it would be best if he were to go on a journey to avoid his fate (which is to eventually murder his father and take the throne for himself). King Arther knows this and allows him to go on this journey.
On his journey, Mordred's Aunt Morgan le Fay attempts to get him to follow through with his "fate" and have her there to take the throne with him. He eventually escapes her hold on him and figures out a way to avoid this fate which is by having his soul taken from his human body and put into this crow. However, his human body is now numb and fights his father anyway and he hurts him but we do not know if he actually kills him.