Katherine G. Knapp and George Knapp, III, have listed for sale their five-bedroom, eight-bath home at 5 Allegro Lane in Creve Coeur for $2.2 million.

The Knapps paid $467,500 for the property in Nov. 2007. The 7,400-square-foot house was built in 1970.

Mrs. Knapp has served as director and legal counsel at Charter Communications, a legal research and writing professional at the Washington University School of Law and as an associate at Thompson Coburn.

She attended the Washington University School of Law.

There were 202 home sales in Creve Coeur in 2008, with a median sales price of $335,000.

Address: 5 Allegro Lane