Genealogy / Polish looks? [1410]

my grandparents were native Polish, my father therefore polish too, i am half as my mother is english, My father Had Jet Black hair,dark complexion and dark eyes (often mistaken for Hispanic or Asian), i have the same but a light complexion and hazel eyes - however my brother is the same as my father ... this is a picture of my granddad, and also one of me, anyone have any ideas/opinions/likeness' let me know [dont be nasty or i may have to cyberkill you :)]