Continuity mistake: When George comes in to get Anne before going into Mary who is getting ready for her wedding, Anne's headress changes, at first she is seen wearing a more decorative one and as her and George come around the corner and head to Mary's room her headress is completely different. (00:12:15 - 01:12:15)
Continuity mistake: The morning after her wedding night, we see Mary walking with Anne telling her about the wedding night, notice Mary's braids in her hair, one braid is in a circle, yet in the next scene where Mary and Anne are folding a blanket, her braid is now down in one long braid. (00:12:20 - 00:15:30)
Answer: Mary was married twice. Her first husband, William Carey, died in 1528. She secretly married William Stafford, a commoner, in 1534. Her family disapproved of the match, and the couple lived out their lives in the country, away from the royal court.
raywest ★
Adding to this answer, there are online scripts with extra scenes, including a brief funeral scene for William Carey.