LORD Henry Mount Charles has passed away at the age of 74 his family have confirmed today.
He passed away “peacefully” yesterday after a battle with cancer.
Lord Henry was well known as the custodian of Slane Castle in Co Meath.
Over the years he has facilitated several concerts at the venue which was his ancestral home.
Legends such as U2, Rolling Stones, Brue Springsteen, Queen and Madonna have performed at the site.
Harry Styles and even Oasis have also performed at the outdoor venue.
Lord Henry took over the venue in 1976 when he was just 25 years old.
In a public statement his family said the well known figure in the music and events scene fought a “valiant battle with cancer”.
They said: “It is with profound sadness that the family of Lord Henry Mount Charles, The Marquess Conyngham announce his peaceful passing in the late hours of June 18th following a long and valiant battle with cancer.
“A beloved husband, father, grandfather, and custodian of Slane Castle, Lord Henry’s courage, and unwavering spirit inspired all who knew him.”
