Family: 2nd Lord Of Borthwick William Borthwick / Baroness Sinclair Catherine Beatrice Sinclair (F3211)
m. 1 May 1411
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Male
2nd Lord Of Borthwick William Borthwick
Birth 1391 Midlothian, Scotland 
Death 24 Jun 1458 Midlothian, Scotland Burial Marriage 1 May 1411 Midlothian, Scotland Father First Lord Borthwick William Borthwick | F21595 Group Sheet Mother Margaret Hay | F21595 Group Sheet
Female
Baroness Sinclair Catherine Beatrice Sinclair
Birth Abt 1390 Angusshire, Scotland Death 24 Mar 1428 Lanarkshire, Scotland Burial Father 6th Lord Chisholm Robert Chisholm Of That Ilk | F7797 Group Sheet Mother Margaret Haliburton | F7797 Group Sheet
Female
+ Margaret Borthwick
Birth Abt 1413 Midlothian, Scotland Death 5 Jun 1464 East Lothian, Scotland Burial Spouse John Maxwell | F3042 Marriage Abt 1428 Aryshire, Scotland
Female
+ Isabella Borthwick
Birth 1428 Fifeshire, Scotland Death 10 Feb 1492 East Lothian, Scotland Burial Spouse 2nd Lord Saltoun of Abernethy William Abernethy | F10493 Marriage