British student Ummad Farooq was shot while attending a wedding in Pakistan with his family.
His newlywed brother died and his father remains in intensive care in Pakistan.
He claims they were targeted by terrorists who oppose their peaceful Muslim beliefs.
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The husband of Claire and father of Charlotte suffered gun wounds to the head, described by the pathologist as "self-inflicted".
The weapons will now be used as part of a ‘Knife Angel’, a 26ft high sculpture against violence and aggression.
Anecdotal evidence shows that doing something creative can help people living with the disease, and even prompt them to remember things.