[citation needed] Alexander I of Scotland granted the lands of Anstruther to William de Candela in the early 12th century.

[3] Henry Anstruther accompanied Louis IX of France to the crusades and swore fealty to King Edward I of England in 1292 and again in 1296.

[3] Andrew Anstruther married Christina Sandilands who was descended from Princess Jean or Joanna, daughter of Robert II of Scotland.

[3] His second son, David, fought at the Battle of Pavia in 1520 in the service of Francis I of France in the French Scots Regiment.

[1][8] The clan chief's seat remains at Balcaskie in Fife which was probably built in around 1670 by Sir William Bruce.