You said revolt and now you're saying conquest which aren't the same thing. Of course the Crown got it by conquest. But nobody got land by armed revolt did they? Can you name any major land owning families in England that didn't start off by patronage? I can't think of any.
The Crown. You think the exchange of property has been politely arranged through the Land Registry since the first Brython clonked his annoying boss man on the head?