[1] In 1380 John Rollock of the chiefly Rollo family, who was secretary to David, Earl of Palatine of Strathearn and brother of Robert II of Scotland, received a charter from the king for the lands of Duncrub.

[1] On 26 August 1511, William Rollo of Duncrub received a charter that erected his lands into a free barony.

[1] One of Andrew's younger sons, Peter, became Bishop of Dunkeld and a judge of the Court of Session.

[1] Their loyalty was rewarded by Charles II of Scotland who created Sir Andrew as Lord Rollo of Duncrub in January 1651 at Perth.

[1] Rollo was later beheaded at Glasgow in October 1645 after being captured at the Battle of Philiphaugh where the royalists were defeated by the Covenanters.

[1] During the Seven Years' War in the Americas, he fought under General Murray in the last campaign which secured Canada for the British.

[1] The seventh Lord Rollo fought with distinction at the siege of Pondicherry in India where he commanded a force of marines.