Is it possible to sponsor a step daughter?

[Odirrag7]

The sponsor is a permanent resident, he is has not done any sponsorship for The Mother of The step daughter he wishes to sponsor, they are still currently married but not living together, his step daughter is 18 years old and he wishes to sponsor her, is this possible under The current circunstances?

 

[Rob_TO]

The sponsor is a permanent resident, he is has not done any sponsorship for The Mother of The step daughter he wishes to sponsor, they are still currently married but not living together, his step daughter is 18 years old and he wishes to sponsor her, is this possible under The current circunstances?

No. He must sponsor his wife and have daughter included as dependent in her app.