What is the name of Kate Middleton's (the Duchess of Cambridge) sister?

Castra, Actually, she’s not the Duchess of Cambridge now either. She’s the Princess of Wales.

I really wish people would stop calling Katherine, Duchess of Cambridge, Kate Middleton. Middleton was her maiden name.

Trickster, Yes, she is, but the question was about Philippa, not Katherine (Kate)

Great examples of an English rose. Kate is class personified. An ambassador and role model n