Philip Mason Sears was born in Boston, Massachusetts, on December 29, 1899, the son of Philip Shelton Sears and Mary Cabot Higginson. During World War I, he trained at the United States Army Coastal Artillery School at Fort Monroe, Virginia. In 1919 he was commissioned 2nd lieutenant and placed in the officers' reserve. Sears represented Dedham in the Massachusetts General Court from 1935 to 1938 and was chairman of the Massachusetts Republican State Committee until 1950. From 1953-1960, he was United States Representative to the United Nations Trusteeship Council. He died on December 13, 1973.
Zilla MacDougall was born in Syracuse, New York, on July 27, 1902, the daughter of Rear Admiral William D. MacDougall and Charlotte Stone. On December 29, 1924, she married Philip Mason Sears. They had two children: Philip Mason Sears, Jr. (1926-1976), and Charlotte (1929-1956). Zilla MacDougall Sears died on December 19, 1988. Philip Mason Sears, Jr., served in the United States Navy during the later years of World War II. Charlotte Sears married David T. Look; they had two children, David T. and Lucy.
Charlotte MacDougall (1900-1963), the elder daughter of William and Charlotte Stone MacDougall, married Danish diplomat Henrik Kauffmann (1888-1963) around 1924. In the 1920s and 1930s, Kauffmann was the Danish ambassador to Italy, China, Japan, Thailand, and Norway. During World War II, he and Charlotte lived in the United States, where he was an outspoken opponent of the German-controlled Danish government. Kauffmann famously signed an unauthorized treaty between Denmark and the United States regarding the defense of Greenland in 1941. From 1947 to 1963, he and his wife spent much of their time in Washington, D.C., where he was the Danish ambassador to the United States. Charlotte MacDougall Kauffmann killed her husband, then suffering from prostate cancer, and herself in Copenhagen in June 1963.