This is a silly toy for exploring the genealogy of the monarchs of England
Henry IV of England and Joan of Navarre are 3rd cousins
Most recent common ancestors:
Philip IV of France
Joan I of Navarre
Charles, Count of Valois
Margaret of Anjou
Henry IV of England's great great grand parent
Joan of Navarre's great great grand parent

This somewhat silly thing made by
naath
Thanks to chiark for hosting this
Information sourced from wikipedia
All errors in transcription are mine.
Reports of errors, or ideas of interesting questions to ask
my database by email to naath@chiark.greenend.org.uk
(omissions of people are largely because I haven't got to them yet).