Question: Was Mrs. Collins' son ever found?
Question: At the end of the movie it shows what happens to everyone. It shows Mary and William Stafford walking in the meadow and 3 children. There's a boy, presumably the boy Mary had with Henry and Anne's daughter Elizabeth. Does anybody know who the other girl is? She looks older than Elizabeth so I assume she's not Mary and Stafford's daughter.
Chosen answer: It is unknown who the older girl is, but probably the child of a close relative. In the movie (which significantly differs from the novel and from history), Mary is shown to only have given birth to one child (King Henry's son) before her marriage to William Stafford. Therefore, the girl could not be Mary's child by her first marriage.
Answer: Mary does have two children, and I think the girl is supposed to be her daughter - her second child, who she had with her first husband, William Carey, after her affair with Henry ended. There is a script online which includes some deleted scenes. When King Henry becomes interested in Anne, Mary and William Carey return to their country life. They agree that her son from King Henry will bear the name Henry Carey, as if he were William's legitimate son. They have a daughter at some point. William Carey dies from an illness, and she later marries William Stafford.
Question: Why did all of the officers and high-ranking officials put out their cigarettes when Hitler's plane landed at the airfield?
Answer: Hitler was fanatically anti-tobacco: https://www.theatlantic.com/health/archive/2014/07/the-nazis-forgotten-anti-smoking-campaign/373766/.
Answer: They are supposed to stand at attention when he arrives and salute when he walks past them. It is considered bad form to salute the Führer (or any leader) with a cigarette in your mouth or hand.
Answer: No. He was murdered at age nine. The movie uses creative license to bring up the suspicion that he could have somehow survived to create a dramatic hope in the end. Moreover, the killer was very unstable and retracted his testimony more than once. There is no solid proof of the boy surviving the killings. The police even found partial evidence of Walter Collins at the burial site. See the Wikipedia article for more information.
Earthling