Complex sentence: The east wing of the house was built in the first half of the 18th century, by Nathaniel Ireson of Wincanton for the Earl of Ilchester and remodelled as a house in 1913, probably by Sir Edwin Lutyens.
Split into simpler sentences: The east wing of the house was built in the first half of the 18th century, by Nathaniel Ireson of Wincanton for the Earl of Ilchester. The building was remodelled as a house in 1913, probably by Sir Edwin Lutyens.