Robert Le Strange of Wrockwarden was younger son of John Le Strange III of Knockyn.

He was younger brother of Roger, Baron Strange, of Ellesmere.

He was about to go to the Holy Land in 1270/71.

He was pardoned for cutting and selling a part of a wood, which had been given to him by his brother Hamon, at Chawton in 1272 in Hampshire, England.

He did homage for the manor, which his brother Hamon had given him by charter, of Wrockwardine in 1275 in Telford & Wrekin, England [George Edward Cokayne The Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, Extant, Extinct, or Dormant, I-XIII (in 6) (Thrupp, Stroud, Gloucestershire, GL5 2BU: Sutton Publishing Limited, 2000), XII/1:341].

He died in August 1276 in (probably) Litcham, Norfolk, England.

Arms: Gules crusily and two lions passant argent [Gerard J. Brault, editor, Aspilogia III: The Rolls of Arms, Edward I (1272-1307) (Woodbridge, Suffolk: The Boydell Press, 1997), E:194].