When King Henry I learns of the death of his son William, his daughter Maude, is with him and is depicted as being 6 years old. However, in 1120, when William died, she actually was 18, and had been married to the German Emperor for six years. They also portray the death of King Henry I and the birth of the future King Henry II as occurring on the same night, but the birth actually preceded the death by 15 months.
The film depicts the White Ship burning. In reality, it simply struck a rock and sank.
King Henry is told "There were no survivors." In the historical shipwreck, a butcher from Rouen survived thanks to his thick clothing that protected him from hypothermia.
Maud is shown giving birth to her son Henry in Winchester, England. In actual fact he was born in Le Mans, France because his father was the Count of Anjou.
Maud is shown as as a young woman, only still in her teens when her father King Henry dies. In reality she was in her 30s.
When King Henry I's son dies in 1120, his younger sister Maud is depicted as a girl, seemingly about 10 years old. She was born in 1104, therefor already 16 years of age, and most importantly at that time married (since 1114) to the Holy Roman Emperor Henry V. It would be doubtful that she was in England then.
In this episode, King Henry I dies in 1138, shortly after his grandson Henry, son of Maud, was born. King Henry I died in 1135.
Lincoln castle is shown situated in mountainous terrain, in fact Lincoln is surrounded by flat fen land for miles around.