Mabel A. M. Janes, accountant Mabel A.M. Janes, a Bethesda homemaker and former accountant, died Nov. 3 at Sibley Memorial Hospital in Washington. The cause was complications from pneumonia, said her son, Paul Janes. Mrs. Janes was an accountant at the now-defunct Washington law office A . Alvis Layne Law Inc. from the late 1960s until the early 1970s. Mabel Anna Marie Janke was a native of Tomah, Wis., and a 1933 business administration graduate of the old Madison College in Wisconsin. She settled in the Washington area in 1947. She participated in military support organizations and was a member of the Westmoreland Congregational United Church of Christ in Bethesda, where she participated in the women guild's fundraising and community outreach efforts. Her husband of 56 years, retired Army Reserve Col. Charles R. Janes, died in 1997. Survivors include three children, Marsha Amory of Williamsburg, and Susan Burns and Paul Janes, both of Bethesda; six grandchildren; and four great-grandchildren.