Hugh Despenser the Younger was a terrible person, but there's no credible evidence he SA-ed Isabella of France. That myth was started in the twentieth century.
So, here's blog post covering the pervasive myth that Hugh Despenser the Younger assaulted Isabella, which has been repeated by popular historians and run with by historical fiction writers. It begins:
>Hugh Despenser the Younger was a corrupt and malevolent person on top of being a spectacularly greedy person, but there's not a single shred of evidence he sexually assaulted Isabella of France. Nor is there evidence that her husband, Edward II, pushed her into some sort of ménage à trois or medieval wife-swapping arrangement with Hugh, as has been imagined by both modern historians and historical fiction writers.
You can read the rest by clicking the link.
u/HoneybeeXYZ — 13 minutes ago