Complex sentence: It was occupied from 1683 to 1700 by Thomas Belasyse, 1st Earl Fauconberg and subsequently by Arthur Onslow, the Speaker of the House of Commons.
Split into simpler sentences: It was occupied from 1683 to 1700 by Thomas Belasyse, 1st Earl Fauconberg. Subsequently it was occupied by Arthur Onslow, the Speaker of the House of Commons.