Looking for family information on John W. Ter haar who married Martja (Mary) Groeneveld 1876 Chicago, Illinois. John died in 1910 and Mary married Pieter Ploegsma. Known children of John and Mary Ter Haar are Annie born 1877, Cora born 1879, Maggie born 1880, William born 1882, Peter born 1884, Catherine (Katie) born 1887, John born 1892 and Able born 1899. All children were born in Chicago. Any help would be greatly appreciated.