He also visited Pfaff, who was working on a German translation of his father's work, and his aunt Caroline Herschel who had returned to Hanover after the death of her brother (John Herschel's father) in 1822.
Siya rin ang binisita Pfaff, na noon ay nagtatrabaho sa isang German na pagsasalin ng kanyang ama sa trabaho, at ang kanyang tiyahin Caroline Herschel na ibabalik sa Hanover pagkatapos ng kamatayan ng kanyang mga kapatid na lalaki (John Herschel's ama) sa 1822.