Herbert Weston Marshack was born in New York on December 22, 1914, the son of Max and Gertrude Marshack of Queens, New York. He had two younger siblings, Robert C. and Marion. In February 1942, he was inducted into the United States Army at Camp Upton, New York. He trained as an infantry rifleman with the 40th Training Battalion, Company B, at Camp Croft, South Carolina, until around June 1942, when he joined the 179th Infantry Regiment, Company B. He was stationed in Massachusetts, New York, and Virginia until June 1943, when his regiment was deployed to Europe. Marshack served in North Africa and Italy, where he was hospitalized; he returned to the United States in July 1944 and received medical tests at hospitals in Charleston, South Carolina, and Atlantic City, New Jersey. Herbert Weston Marshack died on August 27, 1978.
Robert C. Marshack was born on July 11, 1916, and joined the United States Army Air Corps in the early 1940s. During World War II, he flew observation planes, and he later attained the rank of lieutenant colonel. Robert C. Marshack died on December 1, 2002.