John le Strange, 2nd Baron Strange of Knockyn, was summoned to Parliament June 13, 1311, and both before and after his succession was in the Scottish wars. He married Isolda, daughter and heir of John de Walton, of Walton D'Eiville, and died a year after his father in 1311. He was succeeded by his elder son John, who was summoned to Parliament January 8 and July 26, 1313, as 3rd Baron Strange, but died sine prole in 1324 and was succeeded by his brother, Roger le Strange.