[ausudhz]

> do you contend that the monarchs suddenly got uglier

Yes, because for centuries they were having children with their relatives.

If you studied basic biology you would know that by doing that the gene pool become too small and many physical problems arise (and appearance is only one of them).

Incest, according to many sources, was the cause of collapse of the Egyptian empire. The latest pharaoh had all sort of problems (and mental problem was one of then too)