Popsugar Celebrity Netflix Who Is Princess Diana's Sister, Lady Sarah McCorquodale? Everything You Wanted to Know About Princess Diana's Sister, Sarah Spencer 18 November 2020 by Amanda Prahl View On One Page Photo 10 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Lady Sarah McCorquodale at Alexander Fellowes's Wedding in 2013 Previous Next Start Slideshow NetflixThe CrownThe British RoyalsTV