Hoping to Find a Lost Soldier

excuse me im new here and just starting out,so im not quite sure how to go about things but ill try
im looking please for a relative who went to ww2 ,not much is known about him ,his Full name is Kenneth Ronald Brown ,he was born in New Zealand in Northland.
His parents were i believe William Robert Brown & Nitocris[nat] Brown
im sorry but its all i have i think that he may have died in egypt unsure but was told that