Jules2022 on Family Tree Circles

Hello all,
My name is Julie i am from Canberra Australia, I'm on the look out to find and build my family tree, how do I know I belong to the family? lets back this up a few words....

My grandmother Sylvia p brown born Morley Purcell(21.05.1948---10.06.1989) is the daughter of Maxwell Clifford Leon Morley(21.07.1922---1.12.1972) and Eliza, Son of Reginal afraid John Morley(21.11.1880---29.03.1935) son of George Morley(25.01.1945---3.10.1917)

All my grandfathers were in WW1 or WW2,

Yes I have there paper work from the war thanks to the National archives.

My grandmother was sold to my late grandfather for 5 pents?