It was during one of these trips, in 1777, that he came across the 'Great' river near Bethulie and named it the Orange, in honour of the Royal House of Orange, rulers of Holland.
Akuri eka rin'wana ra tendzo ta yena hi 1777, laha anga hlangana na nambu lowukulu kusuhi nale Bethulie kutani awuthya vito ra Orange, hiku xixima yindlu ya vuhosi ya Orange, vafumi va tiko ra Holland.