WW2, Hitler Nephews That Stalin Caught, Stalin's Son, Yakov Captured By Germans: Mark Felton

Keeping Up with the Hitlers in Austria, Germany, Ireland, the UK, US, Long Isl., NY, and the Stalins.
----------
By Mark Felton, 2020. The story of Hitler's close relatives on the Eastern Front during World War II and the extraordinary plan to swap them for Stalin's son, Yakov Stalin, captured by the Germans.
----------
- The Death of Stalin’s Son, History Today, April 3, 2024. The death of Joseph Stalin’s son Yakov Dzhugashvili in a German concentration camp 80 years ago was kept a secret for decades...
https://www.historytoday.com/archive/history-matters/death-stalins-son

- Corpsman Hitler, U.S. Navy? Lyon Air Museum.
Adolf Hitler’s nephew served in the US Navy in WWII. William P. Hitler was sworn in on March 6, 1944 and went on to serve for three years as a pharmacist’s mate receiving a Purple Heart medal for a wound he suffered.

William Patrick Hitler was born March 12, 1911 in Liverpool, England. His father was Alois Hitler Jr., the half-brother of Adolf Hitler. Alois left his wife and son to travel Europe. He eventually moved to Germany, remarried (although he was still married), and started a new family. When William turned 18, he traveled to Germany and reconnected with his father. His father took him to a Nazi rally where he saw his uncle Adolf, at the time leader of the Nazi party. William again visited Germany and met his uncle in person...
https://lyonairmuseum.org/blog/corpsman-hitler-us-navy/

(Wiki). The HITLER FAMILY comprises the relatives and ancestors of Adolf Hitler (20 April 1889 – 30 April 1945), an Austrian-born German politician and the leader of the Nazi Party, who was the dictator of Germany, holding the title Chancellor of Germany from 1933 to 1945, and head of state as Führer und Reichskanzler from 1934 to 1945. Adolf Hitler had a central role in the rise of Nazism in Germany, provoking the start of World War II, and holding ultimate responsibility for the deaths of many millions of people during the Holocaust.

The family has long been of interest to historians and genealogists because of the biological uncertainty of Hitler's paternal grandfather, as well as the family's inter-relationships and their psychological effect on Hitler during his childhood and later life...
https://en.wikipedia.org/wiki/Hitler_family