Complex sentence: Walter Fawkes was born at Hawkesworth Hall, near Guiseley as Walter Ramsden Hawkesworth and inherited Farnley Hall in 1792, at which point he assumed the surname Fawkes like his father, Walter Beaumont Fawkes, the head of an old West Riding family, before him.
Split into simpler sentences: Walter Fawkes was born at Hawkesworth Hall, near Guiseley, into an old West Riding family, as Walter Ramsden Hawkesworth, the son of Walter Beaumont Fawkes. He inherited Farnley Hall in 1792, at which point he assumed the surname Fawkes.before him.