The national headquarters of the society is at Washington, D.C., at Dumbarton House.

Diane Louise Gross and Khalid Rasuli Pitts were married last evening at the Dumbarton House, a museum in Washington.

Dumbarton House, in Georgetown, Washington, D.C.

Barbara Bea McDowell and Gerald Stuart Hartman, lawyers in Washington, are to be married there today by Rabbi Harold S. White at Dumbarton House, a museum.

Julie Beth Zimmerman and Paul Thomas Anastas were married last evening at Dumbarton House in Washington.

The Rev. Alida de Coster, a Unitarian Universalist minister, performed the ceremony at Dumbarton House, a history museum in Washington.

Dumbarton House is a Federal style house located in the Georgetown neighborhood of Washington, D.C..

His mother, Laura H. Belman, is a volunteer researcher at Dumbarton House, a federal period museum in Washington, and is a director of Wyck, a historic house in Philadelphia.

Nicole Sackley and Eric Steven Yellin are to be married today by Rabbi Michael M. Goldman at the Dumbarton House, a museum in Washington.

He purchased a residence in the Georgetown area, first at 3101 P Street and later acquired Cedar Hill (as Dumbarton House was historically named) in 1804.