Don’t know if diet played any part in it but all he mostly ate was red meat. I mean lots of it. I enjoy a steak and a burger every now and then but this guy was over the top.
The first Vasa King is just a generation ahead of Henry, and he had a Great Grandmother with Bourbon "titles" ~ so reciprocity could have brought Henry's Great Grandfather a clear blue eyed platinum blond beauty in the deal, and WHAMMO ~ indeterminate infertility.