we are 3 members or there are three members of us
Once I was told " we are 3 in my family is not right , So, how to say it:

there are 3 of us in my family

What about?

"we are a family of 4 "

thank you

Question

we are 3 members or there are three members of us
Once I was told " we are 3  in my family is not right , So, how to say it:

there are 3 of us in my family

What about?

"we are a family of 4 "

thank you

Answer

AS you have stated, "we are 3 in my family" would be incorrect, but the other two examples are correct.