The Wordsworth family made one more move, to Rydal Mount at the eastern tip of Rydal Water, and it was here that William lived for the last 37 years of his life.
William lived in Rydal Mount for more than three decades. 
mnli hypothesis: William lived in Rydal Mount for more than three decades.  premise: The Wordsworth family made one more move, to Rydal Mount at the eastern tip of Rydal Water, and it was here that William lived for the last 37 years of his life.