Simplify the following text for a Grade 11 native English-speaking person.
Original: In either case , a certain Major Dubied acquired the formula from the sisters and in 1797 , with his son Marcellin and son-in-law Henry-Louis Pernod , opened the first absinthe distillery , Dubied PÃ re et Fils , in Couvet . In 1805 they built a second distillery in Pontarlier , France , under the new company name Maison Pernod Fils .
Simplified: In 1797,Henry-Louis Pernod , opened the first absinthe distillery , called `` Dubied PÃ re et Fils '' , in Couvet .