When Rome was liberated on 4 June , Victor Emmanuel relinquished his remaining powers to Umberto and named him Lieutenant General of the Realm , making him the de facto regent .
Accordingly , in April 1944 , he turned over most of his powers to Crown Prince Umberto .
When Rome was liberated on 4 June , Victor Emmanuel relinquished his remaining powers to Crown Prince and named him Lieutenant General of the Realm , making him the de facto regent .
Accordingly , in April 1944 , he turned over most of his powers to Crown Prince Umberto .