Complex sentence: The name Shirebourne appears in the Barnet Manor Rolls in 1277 and the upper reaches of the Shirebourne in the modern King George's Fields were known in 1556 as Sheredyche.
Split into simpler sentences: The name Shirebourne appears in the Barnet Manor Rolls in 1277. The upper reaches in the modern King George's Fields were known in 1556 as Sheredyche.