Pepin III, father of Charlemagne, was the first King of the Franks and played an integral role in the foundation of the Holy Roman Empire.
Pepin III. (2013). The Biography Channel website. Retrieved 10:32, May 22, 2013, from http://www.biography.com/people/pepin-iii-9437114.
Pepin III. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/pepin-iii-9437114 [Accessed 22 May 2013].
"Pepin III." 2013. The Biography Channel website. May 22 2013, 10:32 http://www.biography.com/people/pepin-iii-9437114.
"Pepin III," The Biography Channel website, 2013, http://www.biography.com/people/pepin-iii-9437114 [accessed May 22, 2013].
"Pepin III," The Biography Channel website, http://www.biography.com/people/pepin-iii-9437114 (accessed May 22, 2013).
Pepin III [Internet]. The Biography Channel website; 2013 [cited 2013 May 22] Available from: http://www.biography.com/people/pepin-iii-9437114.
Pepin III, http://www.biography.com/people/pepin-iii-9437114 (last visited May 22, 2013).
Pepin III. The Biography Channel website. 2013. Available at: http://www.biography.com/people/pepin-iii-9437114. Accessed May 22, 2013.