Who married Frederico Pallavicini, Marchese Pallavicini?

Duchess Helene of Württemberg married Frederico Pallavicini, Marchese Pallavicini on August 23, 1961. Frederico Pallavicini, Marchese Pallavicini was 36 years old on the wedding day (36 years, 8 months and 0 days). Duchess Helene of Württemberg was 32 years old on the wedding day (32 years, 1 months and 25 days). The age gap was 4 years, 6 months and 6 days.