question: What castle ruin in Scotland featured the ancestors of Alexander Hamilton?
answer: Kerelaw Castle
context: Title: Meydancık Castle
  Passage: Meydancık Castle (Turkish: "Meydancık Kale" ) is the name of a castle ruin in Mersin Province, Turkey.  The original name was Kirshu and the name of the ruin during Ottoman times was Beydili Kale.
  Title: Terringzean Castle, East Ayrshire
  Passage: Terringzean Castle, also Taringzean, pronounced 'Tringan', is a Category B listed castle ruin lying above the River Lugar and the Terringzean Holm in the policies of Dumfries House, Parish of Cumnock, Scotland.  The name Craufordstone or Craufurdstoun, has also been used, echoing that it and these lands originally belonged to the Crawfords, as did Leifnorris or Lochnorris Castle which stood on the site of what is now Dumfries House.
  Title: Hamilton family
  Passage: The Hamiltons of the United States are a family of Scottish origin, whose most prominent member was Founding Father Alexander Hamilton (  1755 –1804).  Their ancestors and relations in Scotland included the Lairds of Kerelaw Castle in Stevenston, North Ayrshire, of the Cambuskeith branch of Clan Hamilton.
  Title: Hagaparken
  Passage: Hagaparken ("Haga Park"), or simply Haga in Solna Municipality just north of Stockholm, Sweden is a vast and popular nature area, with large parks, lakes, woods and gardens.  Within the park is Haga Palace, King Gustav III's Pavilion, the Chinese Pavilion, the Echo Temple, the Turkish Kiosk, an older castle ruin (which is not really a ruin as it is the remains of a castle never finished) and several other interesting buildings on the grounds (such as the peculiar Copper Tents and also the Butterfly House).  Included in the Haga Park is also the Royal Burial Ground of the Swedish Royal family (since 1922), where several members and ancestors of the present Swedish royal Bernadotte family rest.
  Title: Schenkenberg Castle
  Passage: Schenkenberg Castle (German: "Ruine Schenkenberg" ) is a castle ruin above the municipality of Thalheim in the canton of Aargau in Switzerland.  It was built in the 13th Century by the Habsburg dynasty, was the administrative seat for 260 years of a bailiwick of the city of Bern and fell into ruin in the 18th century.
  Title: Kerelaw Castle
  Passage: Kerelaw Castle is a castle ruin situated on the coast of North Ayrshire, Scotland in the town of Stevenston.
citations: Hamilton family Kerelaw Castle