Sir William De Borthwick
William was born about 1362 in Catcume,Scotland.  He died about 1439 in Lochorwart Castle,Gorebridge,Midlothian,Scotland.¹ 

 Heiress De Hay Of Lochorwart
Heiress De Hay Of Lochorwart was born in 1372 in Lochorwart Castle,Gorebridge,Midlothian,Scotland.

 Janet De Borthwick
Janet was born in 1388 in Lochorwart Castle,Gorebridge,Midlothian,Scotland.

 Lord William De Borthwick
William was born about 1391 in Lochorwart Castle,Gorebridge,Midlothian,Scotland.  He died before June 24th, 1458 in Borthwick Castle,Gorebridge,Midlothian,Scotland.