Their bodies were retrieved by rescue teams on Tuesday evening and it's being investigated as a suspected murder-suicide.
In her final public Facebook post on December 17, 2018, Tanja appealed for anyone who was going through a hard time to seek help.
'It's ok not to be ok. We all need support sometimes,' she wrote, before posting links to crisis helplines.
Facebook
Wollongong police commander Chief Superintendent Chris Craner told the Daily Telegraph that the incident was 'devastating' for everyone involved.
'It’s going to be devastating for the family and my thoughts are also with the emergency services who have turned up here today to this horrific incident.'
For crisis support contact Lifeline on 13 11 14
