Project Charlemagne/Y-DNA

Charlemagne's Y-DNA seems not to have survived more than a dozen generations, as shown below. Surprising is the dozen or so qualifying males in Generation 8 who produced only two sons between them.

12. Children of his sons' sons' sons' sons' sons' sons' sons' sons' sons' sons; to each he was Father's father's father's father's father's father's father's father's father's father's father
===13. Children of his sons' sons' sons' sons' sons' sons' sons' sons' sons' sons' sons; to each he was Father's father's father's father's father's father's father's father's father's father's father's father===

===14. Children of his sons' sons' sons' sons' sons' sons' sons' sons' sons' sons' sons' sons; to each he was Father's father's father's father's father's father's father's father's father's father's father's father's father===

===15. Children of his sons' sons' sons' sons' sons' sons' sons' sons' sons' sons' sons' sons' sons; to each he was Father's father's father's father's father's father's father's father's father's father's father's father's father's father===