"I do not expect that you remember who I am, but actually my husband and I visited you some twelve years ago when you were living in London. David Astor was with us, and I remember the visit very well." 

Bielenberg and others are collecting materials for a future biography of Adam von Trott. She asks if BR has any correspondence with him.

"I know that Adam was a tremendous admirer of yours ... and I think he must have stayed with you in July, 1933, and again possibly in the spring of 1935."