Conversation so far:
where does my last name garcia come from
Garcia was possibly a Basque surname called Gaztea, and later was Castilianized, into the medieval Kingdom of Castile, becoming García.
Where was the Kingdom of Castile located?
The Kingdom of Castile was a large and powerful state located on the Iberian Peninsula during the Middle Ages.
What language was spoken in the Kingdom of Castile?
Castilian, that is, Spanish, is the native language of the Castilians. Its origin is traditionally ascribed to an area south of the Cordillera Cantábrica
when did the kingdom of castille begin
The Kingdom of Castile began in the 9th century as the County of Castile (Condado de Castilla), an eastern frontier lordship of the Kingdom of León.

Question: how does the flag of the kingdom look
Self-contained rewrite: how does the flag of the kingdom of castille look