Lord Polwarth, Lord Hume of Berwick
Grizel Ker was the daughter of Sir Thomas Kerr of Cavers and Grizel Halket She married Patrick Hume 1st Earl of Marchmont son of Sir Patrick Hume 1st Bt. and Christian Hamilton on 29 January 1660. She died on 11 October 1703 at Edinburgh Midlothian Scotland From 29 January 1660 her married name became Hume As A. result of her marriage Grizel Ker was styled as Countess of Marchmont on 23 April 1697
Grizel and Patrick had 6 listed children
1. Patrick Hume Lord Polwarth 11 Nov 1664 - 25 Nov 1709
2. Hon Grizel Hume B. 1665
3. Alexander Hume-Campbell 2nd Earl of Marchmont 1 Jan 1674/75 - 27 Feb 1739/40
4. Andrew Hume Lord Kimmerghame 19 Jul 1676 - 16 Mar 1730
5. Hon Anne Hume 4 Nov 1677 - 24 Jan 1699
6. Hon Jean Hume 22 Mar 1682/83 - 10 Dec 1751