Is the child an Australian citizen after the mother immigrated to Australia through marriage?

1. After the mother's marriage immigrants arrive in Australia, the child is considered an Australian citizen.

2. Once you acquire Australian citizenship, whether you live in Australia or not, you will maintain Australian citizenship for life and be protected by Australian overseas consulates; If the green card holder is sentenced to more than 12 months in Australia, his green card will be revoked and his Australian citizenship will be irrevocable; If one parent is an Australian green card holder, if the child is born in Australia, then the child is an Australian citizen at birth. If the child is born in China, then the child is a China citizen and can apply for an Australian green card in the future. If one parent is an Australian citizen, no matter where the child was born, the child is an Australian citizen at birth.