Jeane Mast, 85, a retired Foreign Service officer and onetime office manager for Sen. Russell B. Long (D-La.), died April 18 at her daughter Joanne Valentine’s home in Bethesda.

She had Parkinson’s disease, said another daughter, Carol Beach.

Mrs. Mast, a Bethesda resident, joined the Foreign Service in 1984 and had overseas postings in South Africa, Zaire (now Congo) and Malaysia. In the mid-1990s, she worked for Long and then returned to the State Department.

She worked for the Africa and Near East Asia bureaus before retiring in 2008.

Alice Jeane Pons, a native Washingtonian, was a 1945 graduate of Woodrow Wilson High School and graduated from the University of Maryland in 1949.

Mrs. Mast was an office manager of her former husband’s dental practice in Washington from the mid-1960s until late 1970s.

She was a member of St. Patrick’s Episcopal Church in Washington.

Her marriage to David Mast ended in divorce.

Survivors include five children, Carol Beach and Joanne Valentine, both of Bethesda, Patricia Mast of Alexandria, David M. Mast of Falls Church and Margaret Ziegler of Lancaster, Pa.; a sister; 12 grandchildren; and two great-grandchildren.

— Megan McDonough