I too am researching Streus.My family I found dated as follows:
Jakob Streu d. 4 Feb. 1833 in Poland.Married to Maria Liedke b. abt. 1793 in Kepa Niemiecka, Plock, Warazawa, Poland.d. 11 Aug. 1835 in Poland.
Jakob Streu b. abt. 1819 in Kepa Niemiecka, Plock, Warazawa, Poland.Married 17 Oct 1839 in Plock, Plock, Warazawa, Poland to Eleonore Gerdung.She was b. abt. 1821 in Sady, Gostynin, Warazawa, Poland
Wilhelm Strei b. abt 1853 in Poland.Married 14 Nov 1878 in Gabin or Gombin, Gostynin, Warazawa. Poland to Caroline or Karoline Neitsch.b. abt 1858 in Poland.
Edward Strei/Strey b. 1884 in Pock, Poland.d. 6 Oct 1963 in St. Louis, Missouri.
My family was German and of the Lutheran religion.I know this is a long shot, but thought maybe they are in your family tree. If they are, or you just have questions, please contact me at email@example.com.