Blazon: Barry wavy of eight azure and argent a lymphad in sail or flying flags and pennon of the second a cross gules; on a chief of the third, three pellets, the center charged with a cross engrailed and the others with an escallop of the last
Crest: On a wreath of the colors in front of a port between two square towers proper issuant therefrom a rising sun of seven rays, a mitre or
Blazon: Per quarterly I argent a stake supporting a grapevine fructed with three bunches of grapes proper (Ágreda); II argent a fig tree eradicated proper within seven leaves pendant 3, 2, and 2 azure (Almazán); III azure a knight armored and bearing a lance and shield proper, mounted on a horse salient argent, saddled and bridled also proper, in chief a sun in splendor or (Medinaceli); gules a castle triple-towered argent, windowed azure (Osma); overall in the fess point a roundel gules a castle triple-towered argent windowed azure, issuant from the middle tower a king’s head proper within a bordure of the second charged with the motto “Soria Pura Cabeza De Estremadura”*; all within a bordure argent charged with 24 pellets
*Soria, Pure Head of the Estremadura
Pellets or Ogresses [so called] from the piletta or leaded knob affixed to the shafts of arrows shot from crossbows for the purpose of killing deer without tearing the skin, which is hence called “sagitta piletta,” or shack[le]bolt.
– From Inquiries into the Origin and Progress of the Science of Heraldry in England by James Dallaway, p458 (1793)