Karl Gero, Duke of Urach (1899–1981), 3rd Duke, who married Countess Gabriele of Waldburg of Zeil and Trauchburg (1910–2005). No issue.
Princess Margarete of Urach (1901–1975)
Prince Albrecht of Urach (1903–1969). First marriage to Rosemary Blackadder, and second to Ute Waldschmidt. He divorced both of them and had children by both. His daughter Marie-Gabrielle (aka Mariga) was the first wife of Desmond Guinness, a diplomat and artist turned journalist and expert on the Far East. His marriages were also considered morganatic but his descendants can claim titles that pass in the eldest female line.
Prince Eberhard of Urach (1907–1969), who married Princess Iniga of Thurn and Taxis (1925–2008) and had issue; including Karl Anselm and Wilhelm Albert the current and 5th Duke of Urach. While a notional pretender to the crown of Lithuania, he has not made a formal public claim. Eberhard's descendants inherit the dukedom on the basis of the Salic law principle of Agnatic primogeniture
Princess Mechtilde of Urach (1912–2001), who married Friedrich Karl, Prince of Hohenlohe-Waldenburg-Schillingsfürst and had issue.