Complex sentence: More married secondly, by 1535, Constance Sackville, widow of William Heneage (d.10 June 1525), daughter of Richard Sackville, esquire, of Withyham, Sussex, and sister of John Sackville.
Split into simpler sentences: More married secondly, by 1535, Constance Sackville, widow of William Heneage (d.10 June 1525). She was the daughter of Richard Sackville, esquire, of Withyham, Sussex, and the sister of John Sackville.