"Some of them, perhaps, with men whom your Grace only saw for a brief space of time--a few minutes, possibly.

You don't remember ever seeing this man in that way ?" "I'm credited with having an unusually good memory for faces," answered the Duke.

"And--if I may say so--rightly.

But I don't remember this man at all--in fact, I'd go as far as to say that I'm positive I've never--knowingly--set eyes on him in my life." "Can your Grace suggest any reason at all why he should wish to call on you ?" asked the Coroner.
"None! But then," replied the Duke, "there might be many reasons--unknown to me, but at which I can make a guess.

If he was an antiquary, there are lots of old things at Saxonsteade which he might wish to see.