Isabella Ker

Source= http://www.thepeerage.com/p25627.htm#i256270

Lady Isabella Ker is the daughter of Robert Ker, 1st Earl of Roxburghe and Margaret Maitland.2 She married James Scrymgeour, 2nd Viscount Dudhope, son of John Scrymgeour, 1st Viscount Dudhope and Margaret Seton, on 4 August 1618.1

     From 4 August 1618, her married name became Scrymgeour.1 As a result of her marriage, Lady Isabella Ker was styled as Viscountess Dudhope on 7 March 1643. Child of Lady Isabella Ker and James Scrymgeour, 2nd Viscount Dudhope John Scrymgeour, 1st Earl of Dundee2 d. 23 Jun 1668