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{{ambig|subject=Chief Custodian|disambiguation=Valdor}}

[[Image:ValdorHH.jpg|thumb|right|300px|Constantin Valdor{{Fn|7}}]]

'''Constantin Valdor''' ('Emperor's Spear'), the '''First of the Ten Thousand'''{{Fn|6c}}, was the Chief Custodian to the [[Emperor of Mankind]] as [[Captain-General]] of the [[Adeptus Custodes]] at the time of the [[Unification Wars]], [[Great Crusade]], and the [[Horus Heresy]].{{Fn|5}}

==Biography==

===Unification Wars===

The origins of Constantin Valdor are mysterious. According to [[Amar Astarte]], his original parents were killed by the [[Emperor]], who moved entire armies across continents to locate and retrieve him. Valdor himself knows very little of his past before becoming the Emperor's servant.{{Fn|13c}} While commonly accepted as the first Custodes, Valdor does not recall if he was truly the first Custodian, or simply the first successfully produced one.{{Fn|10}} He served during the [[Unification Wars]] at the [[Battle of Maulland Sen]]. A handful of years later, he assassinated Koja Zu, the Minister of the Anuatan Steppes{{Fn|6a}}, and claimed her son, [[Ra Endymion]]{{Fn|6d}}, for the Legio Custodes.{{Fn|6b}} During the [[Battle of Maulland Sen]], Valdor witnessed the savagery of the [[Thunder Warriors]] and became worried over their future.{{Fn|13b}}