Complex sentence: It is not known, for certain, to which queen this refers, but possibly the Queen was Edith, the wife of Edward the Confessor, known as "Fair Edith" she held manors in this part of Buckinghamshire, including a hunting lodge at Mentmore.
Split into simpler sentences: It is not known, for certain, to which queen this refers, but possibly the Queen was Edith, the wife of Edward the Confessor. Known as "Fair Edith" she held manors in this part of Buckinghamshire, including a hunting lodge at Mentmore.