Royal blights.
D005197:Famous Persons; D006467:Hemophilia A / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011164:Porphyrias / Q000266:history*; D012425:Russia (Pre-1917); D013030:Spain; D006113:United Kingdom