She was the daughter of
Prince Friedrich von Thurn und Taxis
Born 3 September 1799 Prag
Died 17 January 1857 Venezia, Italy
Married 29 June 1831 Wien
Countess Aurora Batthyany de Nemet-Ujvar, daughter of Count
Vincenz Batthyany de Nemet-Ujvar and Josepha Rudnyak de
Batsfa de Magyar Bel
Born 13 June 1806 Ofen
Died 18 September 1881 Ischl
She had 6 siblings
Prince Lamoral von Thurn und Taxis
Born 13 April 1832 Maria Theresiopel
Died 9 December 1903 Pressburg
Married 22 April 1871 Pressburg
Countess Antonia Schaffgotsch, Freiin zu Kynast und
Greiffenstein, daughter of Count Friedrich Schaffgotsch,
Freiherr zu Kynast und Greiffenstein and Countess Therese
Palffy ab Erdod
Born 18 July 1850 Bruenn
Died 26 March 1942 Castle Biskupitz
Princess Helene von Thurn und Taxis
Born 15 May 1836 Saros-Patak
Died 13 November 1901 Wien
Married 15 May 1871 Wien
Count Wolfgang Kinsky von Wchinitz und Tettau, son of Count
Joseph Kinsky von Wchinitz und Tettau and Countess Marie
Czernin von und zu Chudenitz
Born 19 January 1836 Wien
Died 14 December 1885 Meran
Princess Laura von Thurn und Taxis
Born 6 July 1838 Sarospatak
Died 29 July 1838 Sarospatak
Prince Friedrich von Thurn und Taxis
Born 10 October 1839 Sarospatak
Died 4 July 1906 Zdounek, Moravia
Married 30 April 1872 Wien
Countess Maria von Thun und Hohenstein, daughter of Count
Friedrich von Thun und Hohenstein and Countess Leopoldine
von Lamberg, Freiin von Stein und Guttenberg
Born 6 August 1850 Frankfurt am Main
Died 29 August 1929 Zdounek
Prince Arthur von Thurn und Taxis
Born 31 July 1842 Prosenitz
Died 7 October 1848 Prag
Princess Irene Maria von Thurn und Taxis
Born 27 April 1847
Died 18 August 1847 Kosir
From Royaltyguide.nl
Grave of Rosa and her mother
http://img258.imageshack.us/img258/7149/thurnundtaxis3.jpghttp://img263.imageshack.us/img263/9086/thurn20und20taxis2.jpghttp://img215.imageshack.us/img215/4393/aurorabattyanyfrauvonha.jpgThat´s all.

I hope I find new infos.