Robert Kerr, 1st Marquess of Lothian

Lothian supported the Glorious Revolution and sat in the Convention of Estates of Scotland.

He was appointed Lord Justice General of Scotland in 1689, holding the office until his death, and was re-appointed a privy counsellor by William III in 1690.

[1] He was Lord High Commissioner to the Parliament of Scotland in 1692, and addressed the assembly with a speech advocating tolerance and liberality towards episcopal ministers wishing to be received into the Kirk, in harmony with the King's recommendations.

He was created Marquess of Lothian on 23 June 1701, and was appointed Justice-General and a commissioner to treat for the union of Scotland and England in 1702.

[1] Lothian married Lady Jean Campbell (d. 1700), daughter of Archibald Campbell, 1st Marquess of Argyll, in January 1660–1, by whom he had ten children:[1] Lothian also had a natural son, Captain John Kerr, who was slain at Douglas Castle by the Duke of Douglas.