Complex sentence: The spelling'Siddall' was changed to Siddal when Dante Gabriel Rossetti dropped the second'l', first noticed by Deverell in 1849, while she was working as a milliner in Cranbourne Alley, London.
Split into simpler sentences: The spelling'Siddall' was changed to Siddal when Dante Gabriel Rossetti dropped the second'l'. She was first noticed by Deverell in 1849, while she was working as a milliner in Cranbourne Alley, London.