Count von Wydenbruck married Countess Marie Franziska Fugger von Babenhausen (b. 1858), only daughter of Countess Friederike vonChristalniggvonundzu Gillitzstein
Countess Friederike von Christalnigg von und zuGillitzstein (1832–1888) and Karl Ludwig, 4th Prince Fugger von Babenhausen (1829–1906), First President of
the House of Lords. He married Anselma Sophie, Countess of ChristalniggvonundzuGillitzstein (* 1 September 1832; † 21 October 1919). The couple had five