 This land would be named Stevenstoune (later Stevenston) after himself, and their manor-place of the barony of Stevenston, named Kerelaw.The castle and barony were eventually passed on to the Campbells of Loudoun and later to the Cunninghames (or Cunninghams/Cuninghames) of Kilmaurs.It was in the Cunninghame's possession in 1488 that the castle was sacked and burned by the 2nd Lord Montgomerie, during the well documented and long-term feud between these two prominent Ayrshire families.