[1] His father, Terry Peck, was the former chief of police in the islands and fought on the British side in the Falklands War in the Battle of Mount Longdon.

Whilst exhibiting in Buenos Aires he met and befriended Miguel Savage, an Argentine Veteran of the Falklands War.

Savage also fought in the Battle of Mount Longdon and travelled to the islands meeting and staying with Terry Peck before his death from cancer in 2006.

In 2002, there was controversy in the Falkland Islands when officials denied free medical treatment for María whilst pregnant with their first child Jack who was subsequently born in Argentina.

[8][9][10] In a ceremony led by President Kirchner on 14 June, designed to coincide with Liberation Day in the Falkland Islands, he was handed his "Documento Nacional de Identidad" (National Identity Document) and an Argentine passport.

A year later, in December 2015, Peck announced on his Facebook page that he had destroyed his DNI card, that he would like to return to the Falklands but "thanks to the gross manipulation by the Argentine Government of my citizenship, in 2011, I cannot.".