| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| Henry I, Spanish king of Castile |
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| 120417, Spanish king of Castile (121417), son and successor of Alfonso VIII. At his death after a short, uneventful reign, his sister Berenguela renounced her rights to the crown in favor of her son, Ferdinand III. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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