The team weathered winds of 100mph at 8,000 meters up, and in the ensuing chaos, Michael disappeared.

His senior guide eventually made his way back down to base camp after failing to locate the lost climber.

The loss was heartbreaking for James."

Pippa Middleton and James Matthews attending a wedding in their finery

The family therefore couldn’t hold a proper funeral, so finding closure was almost impossible.

“We both share his spirit and passion for the mountains.

Pippa Middleton and James Matthews wearing sunglasses as they take a walk