The arms of Le Strange of Knockin Castle in Shropshire were: Gules, two lions passant argent.
), named after his seat of Knockin Castle in Shropshire, which thus distinguishes it from the earlier 1295 barony, which was still extant on its creation.
However, the abeyance was terminated in 1921 in favour of Elizabeth Frances Philipps, Viscountess St Davids, who became the fourteenth Baroness.
The abeyance of the ancient baronies of Hungerford and de Moleyns was terminated at the same time in her favour.
[10] Following the passage of the Act, Lady St Davids applied for a writ of summons to the House of Lords in right of her Strange barony, which was subsequently issued to her, and she took her seat in the House on 19 November 1963[11] as the first female peer to do so under the provision of the Peerage Act 1963.
On her death in 1974 the titles were inherited by her son, the fifteenth Baron Strange, who had already succeeded his father as second Viscount St Davids.
However, she died unmarried at an early age and was succeeded by her aforementioned great-uncle, the tenth Earl of Derby, who became the sixth Baron Strange.
Lord Derby was childless and was succeeded in the barony by his first cousin once removed James Murray, 2nd Duke of Atholl, who became the seventh Baron Strange as well.
He was succeeded in the dukedom by his nephew John Murray, 3rd Duke of Atholl, while the barony passed to his daughter Charlotte, the eighth Baroness.
In 1786 he was created Earl Strange and Baron Murray of Stanley in the Peerage of Great Britain.
The abeyance was terminated by the Queen in 1965 in favour of John Drummond of Megginch, who became the fifteenth Baron.
He was the great-grandson of Lady Charlotte and her second husband Admiral Sir Adam Drummond of Megginch.
Nowadays the Earls of Derby use the courtesy title of Lord Stanley for heirs apparent.