production. Bartletts are traditionally known as the canning pear due to their "definitive flavor and sweetness," making them well-suited for many forms of processing. Named mutants Several "sports" or mutants of the Williams pear have received United States plant patents: Offspring For several decades, the Williams pear has been used actively as a parent in the production of new varieties: Distilled spirits The Williams pear is used in making both Poire Williams, a fruit brandy, and Belle de Brillet, an infused cognac. The pear is also very popular in western Balkans where it is distilled into brandy known as Viljamovka, similar to Poire Williams but often with higher alcohol percentage. Some producers of Viljamovka include an entire pear inside each bottle. This is achieved by attaching the bottle to a budding pear tree so that the pear will grow inside it. Notes External links Video footage of a Williams Pear in a bottle Pear cultivars Aldermaston