Isabella of France - one of history's most famous femme fatales, Edward II's French queen famously overthrew her husband with the aid of her lover, Roger Mortimer, in 1326. After her son, Edward, wrested back power, Mortimer was executed, but Isabella was allowed to live.
King Edward I In 1254, Eleanor of Castile and Edward were married on 1 November 1254 in the Abbey of Santa María la Real de Las Huelgas in Castile. Edward and Eleanor had at least fourteen children, perhaps as many as sixteen. Of these, five daughters survived into adulthood, but only one boy outlived Edward: the future King Edward II.
British history junkie that I am I couldn't wait for this until May so ordered it from Amazon.uk Awesome, but he stopped with Richard II. (It's understandable, the book is huge.) Hope he continues through to the War of the Roses and to Henry Tudor.