sentences:  Son Marmontel Boyle (1811-1851) died in California.Only sons John Weir Boyle (1815-1845) and Jeremiah Tilford Boyle (1818-1871) remained in Kentucky, the last following his father's example and becoming a lawyer and politician before his Civil War service.Boyle began his private legal practice in Lancaster, Garrard County, Kentucky in 1797 and continued until 1802.