Looking for Heaven Nsw Australia

Eliza Harriet Heaven was born 1865 in Eden

ELIZA HEAVEN admitted to benevolent society on 2 previous occasions.1891 age 24 (birth of son Joseph H)
1894 age 26, admitted again (another son, also named Joseph H).
And my grandfather JOHN McIvor?Born 1904 ,Mother Eliza H.......no father on any.And no info for her afterwards.
Joseph H Heaven on his enlistment form in World War 1 has J.M McIver listed as next of kin.