From this Site;
https://www.genealogysa.org.au/resources/online-databases.htmlFW Briggs was Married twice.
MARRIAGE REG;
1856, BRIGGS, Frederick William BRIGGS/Elizabeth LEIGH, Burra, 10/36
DEATH REG;
1860 12/237, BRIGGS, Elizabeth, undefined, Burra
BIRTH REGS;
856 BRIGGS, Frederick William, Parents-Frederick William BRIGGS/Elizabeth LEIGH, Burra, 10/36
1858 BRIGGS, Harrold Hamilton*, Parents-Frederick William BRIGGS/Elizabeth LEIGH, Burra 14/406
The Parents I found for Frederick William Briggs ROBERT/ELEANOR Frances name a Child;
ISABELLA HAMILTON* Briggs, 7 April 1817
I rest my case.
Do you have his Death Cert davies51?
EDIT;
Harold Hamliton Briggs married Annie JENNINGS 1883
He died 1933, 550/366, BRIGGS Harold Hamilton, Norwood
Frederick William Briggs Jnr died 1914, Reg Frome