Baron Thweng (Tweng, Thwinge etc.)
is an abeyant title in the Peerage of England created on 22 February 1307 for Sir Marmaduke Thweng, a famous knight who took part in the First War of Scottish Independence.
The title became abeyant upon the death of his third son Thomas Thweng, 4th Baron Thweng in 1374.
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