During his stay in Berlin in 1764, Boswell lived in the house of Karl David Kircheisen, the president of the Berlin city council.
Anna Margaretha van Aerssen van SommelsdijkBorn 1713
Vrouwe van Sommel
Life with Boswell:
Boswell met her on December 28, 1763, possibly at Baron Sporck's in The Hague. In a memo he wrote that Madame Maasdam told you how la Comtesse was taken to Utrecht, as there were strange suspicions. "She is a little galante, but do not whisper it".1