I-130 form questions

Hi,
I have questions for I-130 form,
 
for section C. information about your relative (continued)
17) list spouse and all children of your relative---> what do I need to fill in here?
19) your relative's address abroad --> in chinese or pinying?
20) if your relative's native alpahbet is other than Roman Letters, write his or her name and foreign address in the native alpahbet.--> chinese or pinying

thanks in advance