Francisco Velasco y Maria Ceron de Hidalgo, Mexico

I am trying to continue my family line of Velasco. I found the marriage record of Francisco Velasco and Maria Ceron (married Nov 19, 1636 in Mixquiahuala, Hidalgo.)It was under Bautizos 1632-1644 (Image 47) I need help in reading the document. I believe it says that Francisco is "nacional de la ciudad de Sevilla." First of all am I reading the city as Sevilla correctly and does that mean that he is originally from Spain. His parents are listed as Antonio Velasco and Maria de Arce. I looked for them under Sevilla and could not find any marriage info on them. Any help grealy appreciated.
Thanks,
Auora De Anda de Romo