A Michigan resident but a native Washingtonian, Mrs. Trebing was the daughter of Raleigh Wickersham Christie and Alice (Relyea) Christie, who had moved to the District from New York City in on January 1, 1924. Mrs. Trebing lived in Glover Park and graduated from Western High School (Class of 1945) and the University of Maryland (Class of 1949), where she was a member of the Alpha Delta Pi sorority. It was in College Park that she met the love of her life, Harry Martin Trebing. After graduation, Mrs. Trebing served in the Executive Office of the Secretariat at the US State Department (where her father served as Chief of the Operations Branch). She was a member of the US Delegation to the seventh General Assembly of the United Nations in 1952-1953. She later worked in the Washington government affairs office of Pan American World Airways, leaving in 1958 upon her marriage to Dr. Trebing. They remained very happily married for 61 years, until his death in 2019.
Throughout her life, Mrs. Trebing was an active member of the community volunteering with many nonprofit, charitable and civic organizations. She was proud to have been a long-time member of the Lansing (Michigan) chapter of the Daughters of the American Revolution.
Mrs. Trebing is survived by two devoted sons, Harry Evan (and his wife, Jody) and David Martin. In addition, she is survived by four loving grandsons, Harry Geoffrey (and his wife, Anjanette), Christopher (and his wife Crystal), Patrick, and Matthew (and his wife Brittany), and a great-grandchild, Georgiana. She is also survived by her lifelong friend and cousin, Millicent Fitzgerald, of Long Island, New York. Mrs. Trebing was predeceased by her brother, Keith Relyea Christie.
Interment will be at a private service at Druid Ridge Cemetery in Baltimore. In lieu of flowers, the family suggests that contributions be made to the charity of your choice, or to the Harry M. and Joyce C. Trebing Scholarship in the College of Social Science at Michigan State University.
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