Well said Silvilocks, let them have their privacy.
If Robert or his family gets unwelcome attention from over-eager family historians, it may well deter other celebreties from participating in the programme in future, or lead the BBC to avoid examples of illegitimacy or bigamy in future episodes.
Like Stephen7, I found it a tad too sentimental - sorry!
Lastly, does the NA really let you get hold of War Diaries like that, gloves provided?
OB