Mosley was an interesting character, I read a book about his life. Many people in Britain at the time were very supportive of German and Italian fascist movements. Mosley was closer ideologically to the Falangist movement in Spain.
I don't agree with his ideas but he was certainly an interesting person. His wife and sister-in-law were also fascinating people.
Do you remember the name of that book? Would be interesting to take a look at it and maybe learn a bit more about Mosley.
Not really sure but there are two auto bios for both Oswald and Diana. Her sister Unity was also very interesting. She loved Germany, a very rebellious teen and wanted Britain and Germany to be Allies. The day Britain declared war she shot herself . She lived but was disabled and died years later when the bullet, it couldn't be extracted, moved.