A contemporary noble woman who has most children is I think, Countess Elisabeth of Stolberg-Stolberg, nee Countess Montecuccoli-Laderchi (b.15 September 1962), married to Count Christoph of Stolberg-Stolberg (b.15 June 1960)
Her children are:
Maximilian (b.18 May 1988)
Sebastian (b.18 January 1990)
Bernadette (b.22 April 1991)
Theresia (b.2 October 1992)
Barbara (b.8 July 1994 - d.24 October 1994)
Elisabeth (b.29 December 1996)
Georg (b.18 April 2000)
Ferdinand (b.20 July 2003)
Friedrich-Leopold (b.3 July 2005)
Marguerite-Marie (b. summer 2009)
Source:
Stolberg
www.nettyroyal.nl (last child's birth: section Genealogical News 2009)
__________________