The Erskines hail from Renfrewshire and they are first recorded in the reign of King Alexander II (1214-1249). They were staunch supporters of the Bruce and were appointed Constable of Stirling Castle by King David II. Erkines married into both the Bruce and Stewart families.

During the 1430's Sir Robert Erskine inherited the Earldom of Mar. His son, Thomas Erkine was deprived of inheriting the Earldom, 10 years later receiving a barony instead as Lord Erskine. The Erskines were the guardians of the young King James IV during his minority; thereafter to be guardians to 5 generations of royalty.

The 3rd Lord Erskine built the tower of Alloa which was to become the seat of the Erskine chiefs for the next 300 years.