There are two Gielow's that served as Luftwaffe Officers, page 55 of the pdf.
http://www.ww2.dk/LwOffz%20G-K%202017.pdf
This list only contains names of Luftwaffe Officers. Any person that was not an Officer or served in another branch of the Armed Forces (Heer, SS, Kriegsmarine, etc..) will not be shown.