On Wednesday, February 1, 2012, peacefully in her sleep, Margaret L. Dell, of Bethesda, MD. Beloved mother of the late Julian Peter Dell. She is survived by her children, Mary Lou Dell, Donald L. Dell and Richard P. Dell. She is also survived by nine grandchildren, six great-grandchilren, numerous nieces and nephews and many friends. Relatives and friends are invited to call at JOSEPH GAWLER'S SONS, 5130 Wisconsin Ave. at Harrison Street, NW, Washington, DC 20016, on Monday, February 6, 2012 from 6 until 8 p.m. A Mass of Christian Burial will be offered on Tuesday, February 7, 2012 at Our Lady of Lourdes Church, 7500 Pearl St., Bethesda, MD 20814. Interment private. In lieu of flowers, contributions may be made to the Special Olympics, www.specialolympics.org.