was a Portuguese nobleman, ambassador of Pope Clement II in Rome.
[1] He served the King Sancho I in the war against the Moors.
[2] Duarte was born in Coimbra, Kingdom of Portugal, son of Godofredo de Puy, a knight from Normandy, France.
His wife was Genebra de Sousa, daughter of Álvaro de Sousa, Lord of Moncorvo .
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