Pêr Denez  Pierre Denis, known also as Pêr Denez (3 February 1921 – 30 July 2011), was a French linguist, lexicographer, scholar and writer. Denis was born in Rennes. Thanks to his contributions in the form of novels, essays and linguistics, he contributed to the preservation of the written Breton language. He died in Romillé. In French  In Breton