Assuming you mean what gender would I give them if I had to pick.

1. Male

2. Male

3. Female (but that's already canon)

4. It could be either really.

Yeah

Rayquaza: Male

Zamazenta: Male

Zacian: Female

Zeraora: Male

zamazenta i think would be a boy

Rayquaza is Male

Zamazenta is Male

Zacian is Female

Zeroura is Male

Zeraora would be female imo like zacian but the others would be male

1: Female.

2: Female

3: Female

4: Male.

1: male

2: male

3: female

4: male

!.Female

2.male

3.Female

4.male

Hm yeah Rayquaza and Zeraora I'm not sure on but Zamazenta male and Zacian female for dex entry reasons