Alexandra Sophie Cecilie Anna Maria Friederike Benigna Dorothea zu Ysenburg und Büdingen in Wächtersbach, Prinzessin von Hannover

civil marriages on 20 September 1960

religious ceremony on 21 September 1960

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"Alexandra Prinzessin von Hannover (née Alexandra Sophie Cecilie Anna Maria Friederike Benigna Dorothea Prinzessin zu Ysenburg und Büdingen; 23 October 1937 – 1 June 2015) was a German politician, philanthropist, and wife of Prince Welf Henry of Hanover. The princess lastly served as a councilwoman representing the Niederrad district of Frankfurt on the Frankfurt City Council (German: Frankfurter Stadtverordnetenversammlung). She was a member of the Christian Democratic Union political party."

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Links:

http://en.wikipedia.org/wiki/Alexandra_Prinzessin_von_Hannover

http://geneall.net/de/name/18868/alexandra-prinzessin-von-isenburg-...

http://thepeerage.com/p10168.htm#i101680