Alexandra Blair Koch and Graham Thomas Musynske were married March 30 at St. Mary's Church in Roslyn. The reception was at Carlyle on the Green in Bethpage. She is an intelligence analyst in Manhattan and is the daughter of Ann Budano Koch and Robert John Koch of Glen Head. The bridegroom is an associate attorney for Wagner, Doman & Leto Pc in Mineola and is the son of Saralynn Sheehan Musynske and John Musynske of Floral Park. The bride earned a master's degree from Boston University. The groom earned a juris doctorate from Hofstra University. They live in Astoria.