Hall Ancestors

Trying to find ancestors of William Charles Seymour Hall - born 1848, Devonshire, England - 15.08.1933. He is my Great Grandfather. He was in Australia where he discovered a large gold nugget in 1885 at Hall's Creek, which was later named after him. He was known as "Charlie Hall" He was married to Marie Magdalena Nicolier, born 24.04.1867 - 21.08.1941, Moscow, Russia. They both died in Johannesburg, South Africa.