I am seeking information on the family of Gerardus Schmidt (b. 1851) and Johanna Henrike Theurer (b. 1851). Both bor in Amsterdam. Their children, all born in Amsterdam, were: Johanna Hendrika Schmidt (1877), Gerardus (1878),Alida Schmidt (1880) Hedewina (Hetina) Schmidt (1881),and Christina Schmidt(1885). The family arrived in the U.S. (Port of Philadelphia) March 1901. Geradus and Johanna and Christina went "home" and returned to U.S. in 1926; Christina arrived back in U.S. in 1946, Have not been able to determine what happened to son Gerardus (have WWI registration card) Cannot locate any more info on Johanna (daughter) Christina and/or Alida. Cannot tell where parents died. Any help appreciated.