Question: The Brasserie d'Achouffe is a Belgian brewery based in Achouffe, inSeptember 2006, the brewery was bought by which Flemish family-controlled brewery group founded in 1871?

Context paragraphs:
Brasserie Thiriez: Brasserie Thiriez is a small craft brewery located in Esquelbecq, a town in the Arrondissement of Dunkirk in the Nord "département", in the Nord-Pas-de-Calais "région" of France, quite close to the Belgian border.  It is situated on the grounds that formerly housed the Poitevin farm brewery, which was active and served the local area until 1945.  The current brewery was founded in 1996 by Daniel Thiriez, who had become interested in homebrewing as a college student, and later left his career as a "human resources professional for a large supermarket chain" in the interest of reviving the tradition of the small village brewery.

Brasserie à vapeur: Brasserie à vapeur is a Belgian vapor brewery based in Pipaix.  The original brewery was opened in 1785.  The brewery was reopened in 1984 by a Jean-Louis Dits and his wife, Sittelle.  They brew the following beers :

Het Anker Brewery: Het Anker Brewery is a Flemish brewery in Mechelen, founded in 1471 by a community of Beguines.  In 1872, the brewery was acquired by Louis Van Breedam, who renamed it "Het Anker" ("The Anchor") in 1904.  Expanding its assortment from lager to ale, it began producing "Emperor beer" after World War II.  In 1960 it renamed it "Gouden Carolus" ("Golden Charles") after Charles V, Holy Roman Emperor (who was raised in Mechelen).  They opened a brasserie and a hotel, and in 2010 began producing a single malt whisky, distilled from the Gouden Carolus Tripel.

Lindemans Brewery: Lindemans Brewery (Brouwerij Lindemans) is a Belgian family brewery based in Vlezenbeek, a small town in the Flemish Brabant southwest of Brussels.  It produces lambics.

Liefmans Brewery: Liefmans is a Belgian brewery which produces oud bruin and other Belgian beers.  It was founded in 1679.  The company went bankrupt in 2008 and was acquired by Duvel Moortgat.  Liefmans' wheat beer, Dentergems Wit, and a Belgian ale, Lucifer, were subsequently taken over by Het Anker Brewery.

Duvel Moortgat Brewery: Duvel Moortgat Brewery (Brouwerij Duvel Moortgat) is a Flemish family-controlled brewery founded in 1871.  Its strong golden pale ale, Duvel, is exported to more than forty countries.  Duvel is Brabantian, Ghent and Antwerp dialect for "devil", the standard Dutch word being "duivel" ] .

De Koninck Brewery: De Koninck Brewery (Brouwerij De Koninck) is a Belgian brewery based in Antwerp ("Antwerpen" in Dutch).  The glass in which De Koninck's flagship beer is served is called a "bolleke", although this term is most colloquially used to refer to a glass filled with the beer itself and is the way the beer is ordered in bars.

Brasserie d'Achouffe: The Brasserie d'Achouffe is a Belgian brewery based in Achouffe.  It was founded in 1982 by two brothers-in-law, Pierre Gobron and Christian Bauweraerts, as a hobby.  In September 2006, the brewery was bought by the brewery group Duvel Moortgat.

St. Feuillien Brewery: The St. Feuillien Brewery is a Belgian brewery in Le Roeulx, Belgium, which was founded in 1873.  The brewery, which makes abbey-style beer, has been operated by the Friart family all this time, except for an 11-year hiatus that ended in 1998.  Beers brewed by St. Feuillien include a brown ale and a tripel, the latter of which praised as one of the best tripels available.  A recent addition to their selection is a saison, "which has grown steadily to be up with the best".  In 2016, the brewery launched an IPA called "Belgian Coast".

Rochefort Brewery: Rochefort Brewery (Brasserie de Rochefort) is a Belgian brewery which produces three beers designated as Trappist beers.  The brewery is associated with the Rochefort Abbey, which originated in the thirteenth century; monks have been brewing beer at Rochefort since the sixteenth century, providing much of the income for the monastery.

Supporting paragraphs: Brasserie d'Achouffe Duvel Moortgat Brewery
Answer: Duvel Moortgat Brewery