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There's a problem with these dates. Jeanne of Dammartin, it says, was born 1251, and married Ferdinand III, who died in 1252, with whom she had 5 children. I suspect her birthdate must be wrong. Jredwards 19:47, 16 March 2007 (UTC)
Corrected to 1216. Jredwards 19:49, 16 March 2007 (UTC)
Those are the years of their rule, not the years of their living. Jeanne Dammartin became Countess upon the death of her mother - listed as dying in 1251 (and whose start date is 1221 - 5 years after Jeanne's birth). MichaelSanders 20:01, 16 March 2007 (UTC)