New2grammarShe is a mother of three who likes to go swimming in the mornining, who has been married for 6 years, and who has lived in five different countries.
This is fine, but I think the original poster was talking about the use of several different relative pronouns, not the use of one pronoun multiple times.

New2grammarCJ. I think I should create a thread for this for my own record.
Please do if you feel it's necessary.

CJ