Tiarks married in
Hamburg,
Germany, on 18 November 1899 Emmie "Emmy" Marie Franziska Brödermann (15 February 1875 – 27 July 1943), daughter of Eduard Matthias Brödermann,
merchant, and wife Ramona Luisa Clara Ignacia Störzel. They had: • Henry Frederic Tiarks (1900–1995) m. firstly
Lady Millicent Taylour and divorced, m. secondly to actress
Joan Barry, their daughter was
Henrietta Russell (nee Tiarks), Duchess of Bedford • Ramona Maria Clara Tiarks (1902–1991) • Edward Mathias Tiarks (1904–1929) died in flying accident. • Myra Emmy Tiarks (1910–2006) • Peter Frank Tiarks MC (1910–1975) married firstly to Pamela (Silvertop) Clarke, secondly to
Lady Henrietta Finch-Hatton, had issue (his will pr. London, 19 August, at £318,036) His granddaughter, Henrietta Tiarks, The Dowager Duchess of Bedford, is the widow of the
14th Duke of Bedford. He is also first cousin thrice removed of
Mark Phillips. After his death, his will was proved at £222,830 on 8 July 1952. ==References==