Watson's great-grandfather, Samuel Watson, and his grandfather, also Samuel Watson, had been sculptors and stonemasons engaged on the re-building of Chatsworth House between 1687 and 1706.
Kakek buyut Watson, Samuel Watson, dan kakeknya yang juga bernama Samuel Watson, telah memahat dan menjadi tukang batu pada pembangunan kembali Chatsworth House antara tahun 1687 sampai 1706.