Which preposition to use with agatha

in Occurrences 3%

Agatha in her normal state was of course the kindliest and cheeriest gentlewoman in the universe, but any physical illness appeared to transform her nature disastrously.

about Occurrences 2%

He sat upon it for a quarter of an hourprecisely where he had first talked with Agatha about Patricia's first coming to Lichfield....

of Occurrences 2%

When they went in to supper, they had planned to tell Miss Agatha of their earth-staggering secret at once.

with Occurrences 2%

Our day at Harrow, Agatha with us, was very happy.

to Occurrences 1%

And, besides, I loved Agatha to a degree which only You and I have ever known of.

Which preposition to use with  agatha