Complex sentence: Madden used the proceeds to purchase 235 acres (which eventually was expanded to 2,000 acres) of land east of Lexington on Winchester Pike to establish a breeding farm which he named Hamburg Place in honor of the horse that funded the acquisition.
Split into simpler sentences: Madden used the proceeds to purchase 235 acres (which he eventually expanded to 2,000 acres) of land east of Lexington on Winchester Pike. He named his breeding farm Hamburg Place, in honor of the horse that funded the acquisition.