Brother, His Grace The 12th Duke of Argyll was a member of Lodge Inveraray St. John No.50 from 1960 until his death in 2001

As Chief of the Clan Campbell, his ancestral seat was Inveraray Castle, see below for a documentary on the castle

Click on the images below to go to The Guardian's Obituary

https://www.theguardian.com/news/2001/apr/23/guardianobituaries2
https://www.theguardian.com/news/2001/apr/23/guardianobituaries2
https://youtu.be/_c94B_j6ZIc