Family: 1st Lord Borthwick William Borthwick / Elizabeth Hay (F1339)
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Male
1st Lord Borthwick William Borthwick
Birth 1355 Borthwick, Midlothian, Scotland 
Death Bef 1430 Gorebridge, Midlothian, Scotland Burial Marriage Father Thomas Borthwick | F1344 Group Sheet Mother
Female
Elizabeth Hay
Birth 1378 Perthshire, Scotland Death Feb 1398 England Burial Father Thomas Hay | F1567 Group Sheet Mother Joanna Gifford | F1567 Group Sheet
Male
+ 2nd Lord Borthwick William Borthwick
Birth 1384 Borthwick, Midlothian, Scotland Death Abt 1484 Borthwick, Midlothian, Scotland Burial Spouse Beatrice Sinclair | F3023 Marriage 1 May 1411 Scotland
Female
+ Janet Borthwick
Birth 1388 Gorebridge, Midlothian, Scotland Death 5 Jun 1464 Scotland Burial Spouse Master of Hailes Adam Hepburn | F1340 Marriage 2 Nov 1411
Female
+ Margaret Borthwick
Birth 1388 Borthwick, Midlothian, Scotland Death 1464 Scotland Burial Spouse 7th of Saltoun William Abernethy | F1314 Marriage 1411 Haddington, East Lothian, Scotland