I am Daniël Napiorkowski's grandson..i am the son of Inge Hage Streefkerk.She is Daniël's daughter.Maria Stradtmann was pregnant of Daniël...they were not married..so i t was a great taboo..Daniël died 7th september,my mother was born to early at 10th dec.1944...Just Lately i discovered that Daniël was my grandfather...I always was a fan of the Spitfire MK9C....and he flew one!...WX-H...MK370..i even found a very short YouTube clip of his plane,i am proud to be a grand son of such a hero!!