Royalty (also known as Royalty 1390) is a rouge Californian wine grape variety that was developed in 1938 by Dr. Harold P. Olmo of the University of California, Davis.Vitis International Variety Catalogue (VIVC) Royalty Accessed: August 17th, 2012 The grape is a red fleshed teinturier which, unlike most red wine grapes, will produced red-tinged colored wine even without maceration time on the skins. The grape is a hybrid being produced from the Vitis vinifera Trousseau gris variety from the Jura wine region of FranceJ. Robinson Jancis Robinson's Guide to Wine Grapes pg 161 Oxford University Press 1996 and the teinturier grape Alicante Ganzin that, itself, is a hybrid of a Vitis rupestris variety and the Vitis vinifera grape Aramon. J. Robinson Vines Grapes & Wines pg 226 Mitchell Beazley 1986
