Why the extra "wa"?
Must be a mistake. Shouldn't be there.
thought so too.
I did wonder.
still there--and reported--March 2018
Or is it indicating the parents' possessions? "These are of my parents" or "These are my parents'", assuming that you're pointing at something?
A sentence like that would be something like "Hizi ni za wazazi wangu"
No. It does not mean parents' possessions but rather the parents themselves
I did some experiment and wrote - these are parents of mine. Did not work. =D