At 8,126m, Nanga Parbat is the world's ninth highest mountain and notoriously hard to climb.
The pair had set out to climb the world's ninth highest mountain in the world, Nanga Parbat, at 26,660 feet on February 22.
This photo of Daniele Nardi, sheltered in his tent, was posted on his Facebook page.
A search and rescue operation was launched and Pakistani army helicopters were scouring the area until their bodies were finally spotted.
Mr Ballard was born in Derbyshire but moved to the Scottish Highlands in 1995, the year his mother, Alison Hargreaves, died on K2 when she was 33, months after becoming the first woman to conquer Everest unaided.
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Karrar Haidri, secretary of the Alpine Club of Pakistan, talks to The Associated Press regarding the search of two missing climbers, in Islamabad, Pakistan, on March 9, 2019.
"Part of them will remain forever at Nanga Parbat".
The statement added: "The family remembers Tom as a competent alpinist and courageous friend of Daniele".
They said Mr Nardi was a "lover of life and adventures, scrupulous, brave, loyal, attentive to details and always present in moments of need".
She died later that year while descending from the summit of Pakistan's K2, the world's second-tallest mountain which is considered much harder to climb than Everest.
Hargreaves had climbing in his blood as the son of Alison Hargreaves, who was the first person to climb all six major faces in the Alps in one summer.
Mr. Nardi, who was from a town near Rome, had attempted to climb Nanga Parbat in the winter four times without success.