Charlemagne helped some.
If youre vaguely of European extraction, you are also the fruits of Charlemagnes prodigious loins. A fecund ruler, he sired at least 18 children by motley wives and concubines, including Charles the Younger, Pippin the Hunchback, Drogo of Metz, Hruodrud, Ruodhaid, and not forgetting Hugh.
—The Guardian