This is a silly toy for exploring the genealogy of the monarchs of England
Joanna of Flanders and John IV, Duke of Brittany are 4th cousins once removed
Most recent common ancestors:
Robert II, Count of Dreux
Joanna of Flanders's great great great grand parent
John IV, Duke of Brittany's great great 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).