The House of Kostanjić is an ancient noble house from

Drvenik Drvenik may mean: * Drvenik, Split-Dalmatia County, village near Makarska, Croatia * Drvenik, Dubrovnik-Neretva County, village in Konavle, Croatia * Drvenik Veli, island in central Dalmatia, Croatia * Drvenik Veliki, settlement on Drvenik Veli * ...

which held the title knez of

, Perun and Zaostrog. The ancestral seat of the family is known as Kula Kostanjić (Croatian: Tower of Kostanjić). The name of the family is derived from the archaic word kostanj (Croatian: chesnut)

Origins

The first grant of nobility was granted in 1398 by king Stjepan Ostoja of Bosnia († 1418) while the second document was given in 1404 by Grand Duke

Stjepan Vukčić Kosača Stjepan Vukčić Kosača ( sr-Cyrl, Стјепан Вукчић Косача; 1404–1466) was the most powerful Bosnian nobleman whose active political career spanned the last three decades of medieval Bosnian history, from 1435 to 1465. D ...

(† 1466) unto Prince Pavle Kostanjić and his brothers. Another confirmation was made on the 7th August 1475 by Duke Vlatko Hercegović (✶ c. 1428 - † 1489), the son of Grand Duke Stjepan Vukčić Kosača, who gave permission to the House of Kostanjić to continue using Drvenik as the main estate of the family. In this document it is also mentioned that the House of Kostanjić was accepted in the ''“vjeru gospodsku”'' (Slavic: faith of the nobles) {{DEFAULTSORT:House of Kostanjic Croatian nobility