Pietro Igneo was an Italian Roman Catholic Benedictine monk from the Vallombrosians branch. He also served as a cardinal and was named as the Cardinal-Bishop of Albano. He is often referred to as a member of the Aldobrandini house but this familiar denomination is not attested in sources as a fact. He founded the Abbey of Santa Maria in Montepiano in Tuscany.

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11 November 1089

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