 Nyora kupfuurira kweiyi ndima - Forbes akaberekwa 17 March 1765. Akapinda muchiuto semukuru wemauto muColdstream Guards musi wa13 Chikumi 1781, akava lieutenant uye kaputeni musi wa21 Kubvumbi 1786, kaputeni uye lieutenant-colonel musi wa23 Nyamavhuvhu 1793, colonel musi wa3 Chivabvu 1796, mukuru mukuru musi wa29 Kubvumbi 1802, lieutenant general musi wa27 Kurume 1808, uye general musi wa12 Nyamavhuvhu 1819. Akashanda muFlanders nehurumende yake yakakurumbira, uye akanga aripo muhondo uye kukombwa kwe Raismes, Famars, Dunkirk, Lincelles, Tournay, c. Iye gare gare akaperekedza Helder Expedition, uye akanga aripo munenge muchiito chiri chose chakaitika mumushandirapamwe iwoyo. Akagadzwa kuva mutevedzeri wemutungamiriri wemauto muMediterranean muna Kurume 1808, uye mugore rimwe chetero akaenda kuSicily. Akanga ari Colonel 3rd Garrison Battalion 18079, 94th Foot 14 April 1809, 54th Foot 23 September 1809, uye 21st Foot 1 June 1816 kusvikira afa. Akagadzwa kuva Knight of the Order of Saint Januarius. 