Johannes Emil Mumme known in Australia as John Emil or Emil, was born in Hamburg Germany on December 4, 1840, son of Friderich Wilhelm Sr. and Maria Bahtmann.

He arrived Australia in 11th September 1857 aboard "Peter Godeffroy" which left Hamburg, Germany in May 1857. The family was listed to disembark in Melbourne, Victoria, Australia but they actually disembarked in Adelaide, South Australia.

Family lore state that The Mumme family had won the Irish lottery and his father, Friderich Wilhelm Sr. decided the family would come to Australia.

Johannes married Lydia Featherstone 23.5.1863. at St. Judes Church. Brighton, South Australia. Lydia was the third daughter of Michael Featherstone of Brighton, South Australia. Johannes and Lydia had 7 children from this marriage. (Five were born in Australia and two were born during a ten year return to Germany.)

The Five children born in Australia were:

1. Hubert Michael Mumme married Emily Sarah Stephens 1891-Vic, Aust
2. Lucy Basmann Mumme married Robert Drury 1892, Victoria, Australia
3. Annie Charlotte Mumme married Richard Joyce 1900, Victoria, Aust.
4. Evelyn Lydia Mumme marr.Stanley Victor Featherstone 1897,NSW,Aust
5. Violet Louise Mumme marr.Arthur Edwin Feathersone 1896,Vic,Aust.

Two more sons were born during their sojurn in Germany:

1. William Emil Mumme AKA Emil William Mumme marr.Beryl Mathews 1914
2. Reginald Arthur Featherstone Mumme marr.Ethel Ross 1907,Vic, Aust

Lydia died in 1896 in Essendon, Victoria, Australia.

John Emil Mumme married again in 1898, in North Carlton, Victoria, Australia to Violet Theam or King (name unclear on certificate). No children were born from this marriage.

John was naturalised as an Australian on May 12, 1913, and died four years later on May 12, 1917 and is buried Brighton Cemetery, South Caulfield, Victoria, Australia.