Who is Pamela Tudsbury Henry from War and Remembrance and what is their importance?

Pam is the daughter of Alastair "Talky" Tudsbury, a British journalist. She is savvy and chic as she travels the world with her famous father. It is during those travels that she happens to meet Pug Henry. Pam and Pug are immediately attracted but the fact that he is married means he will not follow up on the attraction. After Rhoda asks for a divorce from Pug, Pug and Pam begin making tentative plans but Pug withdraws from her after Warren's death.