Complex sentence: The Fox-Strangways and the Wyndhams of Orchard Wyndham owned the manor of Wadham into the twentieth century, and the Wyndhams still retain ownership of the Wadham family's Merryfield estate and the manor of Ilton today (2016).
Split into simpler sentences: The Fox-Strangways and the Wyndhams owned the manor of Wadham into the twentieth century. The Wyndhams of Orchard Wyndham still retain ownership of the Wadham family's Merryfield estate, and the manor of Ilton, today (2016).