H.R. Koopman and his wife Dirkje Blokland were from the Netherlands.Their son Peter Koopman married Everdina Haze in Pella, IA. Peter and Everdina moved to Omaha between 1885-1890.They had 10 children: William, Minnie, Kate, Nell, Henry, Dora, Peter, Margaret, and Benjamin.Young Peter b.1881 married Elizabeth Drolet b.1883 whose family was Canadian.They had several children: Lois and Peter (not sure of other names).Peter was born 1908.He married Mildred Elizabeth Pollack (daughter of John Pollack b. 1880-Scotch Irish born in Aurora, IL & Olive Kapherer b1882).Peter and Betty had 2 children: Thomas b.1934 (died in the late 50's) and JoAnn b.1830.Any information on where H.R. or Dirkje Koopman came from and their relatives would be helpful.