Hereditary Prince of Portugal

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Hereditary Prince of Portugal (Portuguese: Príncipe Herdeiro de Portugal), unofficially Prince of Portugal (Príncipe Herdeiro de Portugal), or Princess of Portugal, was the title held by the heirs apparent and heirs presumptive to the Kingdom of Portugal, from 1433 to 1645. ^{[citation needed]}

The title differs from the title Infante of Portugal, which is the title given to all children of the monarch except the first in the line of succession, and is often translated into English as "prince". ^{[citation needed]}