Company. Forbes, however, had moved to London in 1848 to stay with his brother. They retired to Whitchurch-on-Thames in 1859 after his brother suffered a series of strokes. Forbes died in 1862 at the age of 84. References 1778 births 1862 deaths Scottish businesspeople 19th-century Scottish historians Scottish explorers of North America Explorers of California People of Mexican California Scottish emigrants to Mexico Historians of California