How to pronounce “martha gellhorn” in English

So the thing I did before this, by the way, was a movie for HBO about Hemingway and Gellhorn.If you ever heard of Martha Gellhorn, I'm just going to ramble here because she was a much braver-- I'm going to switch and talk about World WarII. Martha Gellhorn was a journalist who was the only person to be at the invasion of Normandy while Hemingway was off drinking in a bar