Tourbat

It is also found in the Italian wines from Sardinia where the grape is known as Torbato and in the Aragon region of Spain.

Its presence in Roussillon seems to trace to that area's time under the Kingdom of Majorca with James I of Aragon was lord of over a wide expanse of land that crosses the modern-day borders of southern France and northern eastern Spain.

Even there the grape was on the verge of extinction until one producer, Sella & Mosca, began focusing on the variety and propagating healthier cuttings.

[3] Their work also lead to a slight resurgence of interest in the Roussillon region in the 1980s when the new cuttings of healthier vines were imported from Sardinia.

[4] In Sardinia, Tourbat is known as Torbato and is grown around Alghero in the province of Sassari on the northwestern reaches of the island.

Wine historians believe that Tourbat took a similar path as Grenache in spreading from Spain to Roussillon and the island of Sardinia (highlighted) while both were under the Crown of Aragon (14th century territories pictured)
Despite the similarities in synonyms, Tourbat has no known relation to Pinot gris (pictured)