Friedrich von Hegnenberg-Dux

After the death of his father Georg Maximilian Joseph von Hegnenberg-Dux (1775–1835), he took over the Hofmark Hegnenberg and the associated businesses in 1835.

After an interlude as a member of the Frankfurt Pre-Parliament and National Assembly, he remained first president of the Second Chamber until his resignation on March 27, 1865.

Along with Gustav Freiherr von Lerchenfeld, he was one of the liberal leaders of the state parliament who contributed significantly to the fall of the Pfordten/Reigersberg ministry in 1859.

The historian Doeberl described him as "one of the finest political minds that Bavaria has possessed in the last century, with calm objectivity and clear thought, rich in sarcasm and apt wit".

Hegnenberg-Dux had been married to Josephine von Gebsattel (1812–1866) since 1857; The marriage resulted in two children: