Today is the International Day of Older People. But do you know who Scotland’s oldest monarch was before the Union of the Crowns? It’s likely to have been Robert II, who was 74 when he died at Dundonald Castle in 1390. Robert II was Robert the Bruce’s grandson, the son of Marjorie Bruce and Walter Stewart, 6th High Steward of Scotland. He became King of Scots aged 55, and his reign lasted from 22 February 1371 until his death on 19 April 1390. Runners up in Scotland’s oldest monarch title are Wi