Roberta A. Thomas, who retired in 2005 as an OB/GYN advice nurse at the insurance company Kaiser Permanente, died Jan. 31 at her home in Lorton, Va. She was 56.

The cause was cardiac arrest due to cancer, said her husband, Mark Thomas.

After an early nursing career in California, Mrs. Thomas settled in the Washington area in 1986 and was a labor and delivery nurse at what is now Inova Alexandria Hospital. From 1988 to 1998, she was a contract nurse for the Navy Department. She joined Kaiser Permanente in 1990 and held a variety of nursing jobs.

Roberta Anne Cleveland was born in Arlington and raised in Rio Linda, Calif. She was a 1978 graduate of Sacramento City College in California. She received an associate’s degree in professional nursing from American River College in Sacramento in 1981 and a bachelor’s degree in nursing from George Mason University in 1996.

She received a master’s degree in nursing from the online McFord University in 2002 and two doctoral degrees, in philosophy of teaching and education, both from McFord University in 2012.

Her marriages to Philip Francis and James Montgomery ended in divorce.

Survivors include her husband of 20 years, Mark Thomas of Lorton; a son from her first marriage, Christopher Francis of Fredericksburg, Va.; a daughter from her second marriage, Breanna Montgomery of Fredericksburg, Va.; three children from her third marriage, Austin Thomas, Logan Thomas and Devin Thomas, all of Lorton; her parents, Robert Cleveland of Alexandria and Miriam DeBevec of Granite Bay, Calif.; three brothers, Dale Bustamonte of Lorton, Va., and Robert Cleveland II and Johnny Cleveland, both of Alexandria; four sisters, including Michelle Fritter of Alexandria; and five grandchildren.

— Samantha Raphelson