Naval warfare
Sirian married George Marshall’s daughter, Eleanor Marshall, in 1840. U.S. Navy Gunner George Marshall was also a Greek refugee who joined the U.S. Navy in 1809. He wrote the definitive guide on U.S. Naval warfare in 1822. George Sirian and Eleanor Marshall had seven children and four survived to adulthood. His oldest son Constantine Ambrose Sirian, became a U.S. Navy chief. Constantine had two sons, he named his one son George Sirian. George worked as a machinist’s mate in the Norfolk Navy Yard in the early 20th century.