Four families fight over England in this story, and they keep marrying each other. Here's who's who, parents above children. Red marks the ones who ruled.
Alfred the Great's family. Every king of the English before 1016 came from this line, and its last heir was still around in 1066.
From a Viking leader on the Seine to the duke who took England, in six generations.
The Danish royal family that conquered England twice, in 1013 and again in 1016.
An earl's family that rose to the throne in one generation and lost almost everything in a single year.