Searching for any information or any living relatives of my Grandmother, Elice Holik born in Prague? 1905

My Grandmother Elice Holik born Prague? 1905
She was the daughter of Joseph Holik (1886-1921) and Franticka Yung
When she was a teenager she moved to Australia (Sydney) with family members
She married John Major and moved to Wangi Wangi in Lake Macquarie and gave birth to 3 boys and one girl.
She died in childbirth in 1927 at Fettercain in Hamilton, Newcastle