<I'm just guessing but from the numbers you posted it appears as though you got dividends from ZIM>

 

Give that man a kewpie doll for his correct guess!  :-)

 

This is an incredibly confusin form.  My 1099 does include other Foreign Source Income and some things suggest that should be included on the form even if not the subject of foreign tax.  I am by no means sure of that but it does result in a much higher tax credit.