Buy the European Royal Family Tree Poster:
https://usefulcharts.com/products/european-royal-family-tree
Sources:
http://www.stat.yale.edu/~jtc5/papers/Ancestors.pdf
http://www.stat.yale.edu/~jtc5/papers/CommonAncestors/NatureCommonAncestors-Article.pdf
https://journals.plos.org/plosbiology/article/file?id=10.1371/journal.pbio.1001555&type=printable
https://www.theatlantic.com/magazine/archive/2002/05/the-royal-we/302497/
https://www.theguardian.com/science/commentisfree/2015/may/24/business-genetic-ancestry-charlemagne-adam-rutherford
https://www.popsci.com/descended-from-royalty#page-6
https://www.nationalgeographic.com/science/phenomena/2013/05/07/charlemagnes-dna-and-our-universal-royalty/
CREDITS:
Chart: Matt Baker
Script/Narration: Matt Baker
Audio Editing: Jack Rackam
Intro animation: Syawish Rehman
Intro music: "Lord of the Land" by Kevin MacLeod and licensed under Creative Commons Attribution license 4.0. Available from http://incompetech.com