The House of Gorizia – Background, history and facts. https://www.flaggenlexikon.de/fgoerzer_me.htm
The House of Gorizia was a noble family from the house of the Meinhardin family, which had their headquarters in Gorizia until their extinction in 1500, while the Tyrolean Meinhardin family ruled over Tyrol and Carinthia until they died out in the male line.
three areas of reign with Gorizia (Görz), Carinthia (Kärnten