House of St Clair-Erskine
Cadet branch of the House of Erskine
- Coat of Arms
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House Erskine of Alva
Lords and Baronets of Alva -
House of St Clair-Erskine
Barons Loughborough
Earls of Rosslyn
Additional surname of St Clair adopted by 6th Baronet of Alva and 2nd Earl of Rosslyn in 1796 as successor to their estates of Rosslyn and Dysart
- Cadet Branches
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House of Erskine-Murray
Lords of Aberdona
Lords Elibank
Matrilineal branch issued from Isabella, a scion of Erskine of Alva by Charles Erskine of Tinwald, 3rd son of Charles Erskine, 1st Baronet of Alva