Henricus Karl Ludwig Risius

  Noted events in his life were:

• source.

Henricus married Violet Isabelle Johnston, daughter of John Wood Johnston and Caroline Jane Mutton, on 24 Aug 1912 in Chatswood, Sydney, NSW Australia. (Violet Isabelle Johnston was born on 26 Jan 1885 in Brisbane St, Sydney, NSW Australia and died on 19 Aug 1956 in Hampstead, Greater London, Middlesex England.)