Question: What name did Philip Oliphant Kington take when he inherited an L-plan castle?

Context paragraphs:
Collairnie Castle: Collairnie Castle is an L-plan castle in Dunbog, Fife, Scotland.  The castle was extended in the 16th century, with a wing added of 4 storeys with an attic.  The main block has been reduced to a single storey, and the tower is now incorporated into a 19th-century farm steading.  It is described as having "become an embarrassment as the work of the farm subscribes" it.  Inside the remaining floors are two painted ceilings.  The castle is protected as a scheduled monument.

Philip Kington: Philip Oliphant Kington (17 December 1832 – 2 July 1892) was an English businessman and landowner who inherited a Scottish clan chiefdom and also played a single first-class cricket game in Australia.  From 1867, when he inherited Ardblair Castle in Scotland from his maternal Oliphant relatives, he took the triple-barrelled name "Kington-Blair-Oliphant".  He was born at Clifton, Bristol and died at Datchet, then in Berkshire, now in Buckinghamshire.

Almond Castle: Almond Castle is a ruined L-plan castle dating from the 15th century.  It is located 3 mi west of Linlithgow, and north of the Union Canal, in Falkirk, Scotland.  It was known as Haining Castle until the 17th century.  The structure is unsound.  It is protected as a scheduled monument.

Druminnor Castle: Druminnor Castle is an L-plan castle, dating from the early 15th century, about two miles east of Rhynnie, in a steep valley by the Keron burn, in Aberdeenshire, Scotland.

Bridge Castle: Bridge Castle is an L-plan castle, dating from the 16th century, standing on a rocky site 3 mi north west of Bathgate in West Lothian, Scotland, on the west of the Barbauchlaw Burn.  The former name of the castle was Little Brighouse.

Dunderave Castle: Dunderave Castle is an L-plan castle built in the 16th century as the Scottish seat of the MacNaughton clan.  The castle lies on a small promontory on the northern shores of Loch Fyne, around 5 km north-east of Inveraray, Argyll.  The castle is in use as a residence.  The present castle was built after their previous castle was destroyed following a Plague infection.  The old castle, and remnants of McNaughton crannógs, can still be seen on the lochan known as the Dubh Loch at the head of Glen Shira.

Ardblair Castle: Ardblair Castle is an L-plan castle (with an added wing), dating from the 16th century, around 0.75 mi west of Blairgowrie in Perth and Kinross, Scotland.

MacLellan's Castle: MacLellan's Castle in the town of Kirkcudbright, southwest Scotland, was built in the late 16th century.  It stands in the centre of Kirkcudbright, on the south side of the River Dee which flows into the Solway Firth.  The L-plan castle was the residence of the MacLellan family from whom it derived its name.  The family sold the castle in 1752, and from 1782 to 1912 it was held by the Earls of Selkirk.  Today, the site is curated by Historic Scotland.

Erchless Castle: Erchless Castle is an L-plan castle in northern Scotland, near Struy, Highland.  The current building was built in about 1600.  The castle is located by the River Beauly at the point where it forms from the confluence of the rivers Glass (Strathglass) and Farrar.

Cessford Castle: Cessford Castle is a ruined L-plan castle near the village of Cessford, equidistant between the Royal Burgh of Jedburgh, and the Burghs of Kelso and Kirk Yetholm, in the historic county of Roxburghshire, now a division of the Scottish Borders.  The Castle is "caput" of the Barony of Cessford, and the principal stronghold of the Kers/Kerrs, notorious Border Reivers, many of whom served as Wardens of the Middle March.

Supporting paragraphs: Philip Kington Ardblair Castle
Answer: Kington-Blair-Oliphant