Hi! My surname is also Piechowiak! As i know my grandfather Piechowiak came from Wroclaw(in Poland) but he dies when I was a child.But he has 4 children( 2 girls+ 1 boy with the same woman) and a boy( i don`t kwow him,becouse we have no contact)who is addopted,some people said that he is his real child,but i don`t know.I didn`t know that Piechowiaks are living around the world!I`m living in Germany. If you have any questions write me!