in 1963, he married elisabeth von essen, the daughter of baron eric von essen and louise (née tamm). gustaf and elisabeth douglas have two children, carl and eric. both serve at different positions within the family group of companies. the douglas family live at rydboholm castle outside åkersberga. one of his younger sisters is rosita spencer-churchill, duchess of marlborough third (and former) wife of john spencer-churchill, 11th duke of marlborough. gustaf’s other sister, princess elisabeth, duchess in bavaria is married to prince max, duke in bavaria.