[2] Álvaro was born in the Iberian Peninsula, son of Gil Cabral, a nobleman who was bishop of Guarda.

He was married to Catarina Anes de Loureiro, daughter of João Anes Loureiro and Catarina Dias de Figueiredo,[3] a noble lady, descendant of Rui Vasques Pereira.

And he was the paternal great-grandfather of the discoverer of Brazil, Pedro Álvares Cabral.

[5] Álvaro Gil Cabral participated actively in Portuguese politics, being vassal of Ferdinand I and John I.

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