His parents were Hryhoryi Sanguszko and Zofia Hołowczyńska. He married Katarzyna Uchańska (d.1650) before 1616. They had no children and the Sanguszko-Koszyrski line became extinct with Adam's death.
^Kubiĭovych, Volodymyr and Husar, Danylo Struk (editors) (1993) "Sanguszko, Adam Oleksander" Encyclopedia of Ukraine: Volume 4, Ph-Sr University of Toronto Press, Toronto, Canada, page 532, ISBN0-8020-3993-6
^Stolarski, Piotr (2010) Friars on the Frontier: Catholic Renewal and the Dominican Order in southeastern Poland, 1594–1648 Ashgate, Farnham, Surrey, England, page 90, ISBN978-1-4094-0595-5