* Crest


None.
Having a crest in the Achievement is a modern practice that only started in the 14th century and became popular  in the 18th century but was seldom used in Spain or Portugal.

*
Motto

None.
As with the crest, were very rarely used in Spain or Portugal.

*
Helmet

Certain kinds of helmets were assigned to different degrees of nobility. The "Peers" helmet, which is in silver, has bars of gold (yellow), lined with crimson and shown in semi profile, signify that the owner is a duke, marques, earl, viscount or baron. You will read in the section "
History: Juan de Ursua" that quiet a number of Ursuas were barons, counts and viscounts.

*
Mantle

This is the covering of the helmet to protect it from the sun or rain. Just a simple mantle with shades of gold to blend with the coat of arms.

* And of course, the
Shield,

a
nd on its field, the Coat of Arms:

In a field of gold with three black pigeons in triangular formation surrounded by an engrailed border of blue.

(For those interested, in heraldry terms:
Or, three doves volant sable, within a bordure engrailed azure.)
The Achievement of Arms