Here is the information that I have:

David OConnor B: 1/17/1953 (father in law)

His parents were:
Helen Rose Uyttebroeck 3/1/1922 - 6/15/1958
James E O'Connor 11/23/1918 - 10/8/2008

Helen's parents were:
Lucian Uyttebroeck 7/31/1898 - 6/2/1964
Emma Jacobs Born 1903 in Belgium

I was told that Lucian's parents were:
John Baptiste Uyttebroeck 3/7/1870 - 1/4/1933
Ermenia Maria Wostyn 1874 - 5/24/1937

Most of them lived just outside of Chicago IL.