Hi Happy, and welcome to the forum. Great to see you here. I agree that Henry of Grosmont is fascinating, and I love your avatar!
"Sans lui n'estoit rien fait, et par lui estoit tous fait, et le creoit li rois plus que tout le monde." Without him nothing is done and through him everything is done, and the king trusts him more than any other: Hugh Despenser the Younger and Edward II