Krueger, Charles or Karl - look for relatives

Looking for relatives of my distant relative.
His name is Charles or Carl Kruger. Born 14 October 1864 in Jastrow, Germany, now Jastrowie, Poland. He died in 25 Feb.1951 in Chicago, Illinois, USA
He had a sister by the name of Marie (Mary) Kruger, born 27 Oct 1868, Jastrow, Germany.Their father was Ludwig Kruger. We do not know who the mother was or where they were born.

WHAT WE KNOW ABOUT CHARLES KRUEGER; SOURCE IS HIS PASSPORT & relatives
1. Born 14 Oct 1864 in Yastrow, Germany or called Jastrow, Germany, now called Jastrowie, Poland Date of death: 25 Feb 1951
2. His passport was dated april 1922
3. His address was Chas F. Krueger Charles Frederick Krueger, 2454 Smalley Court, Chicago, IL. Also went by the name of Carl Krueger
4. Stated his father was dead. His fathers name was Ludwig.
5.He sailed from antwerp abt Jan 1884 to the USA
6. Lived in USA from 1884-1951 in Chicago
7. Naturalized in circut ct of cook county on Oct 12 1892.
8. He was a manufacturer of shoes
9. Going to visit his Mother in Germany. Looks like Holland on passport, but it's hard to read.
10 Leaving May 17 1922 at Port of New York aboard the ship Polonia.
11. Census records of 1920 say he came in 1886
12. Louis Krueger, his grandson says his grandparents married in Chicago. St. James Chicago on Freemont St. 1600 or 1800.
this might be St. James Lutheran: http://www.stjames-lutheran.org/ 2101 North Fremont Street + Chicago, IL 60614 His wife's name was
Wilhelmine "Minnie" /Schuett/, born on, 1 Jun 1866, born in, Stettin, Germany/Szczecin,Zachodniopomorskie, Poland .
13. This is his obituary:
OBITUARY OF CHARLES OR CARL F. KRUEGER
KRUEGER- Carl F. Krueger, late of 1426 Gunderson avenue, Berwyn, age 80, beloved husband of the late Wilhelmina, devoted father of William, Henry, Edwin, Ewald, Arthur, Robert, George, Dorothy Hamilton, Edna Rathmann, Gretchen Pose, the late Louis and Elizabeth, grandfather of 13, great-grandfather of six. Member of Norden lodge, No. 699. I.O. O. F. Service Wednesday. 2 p.m. at funeral home, 6501 Roosevelt road. Interment Oakridge. Gunderson 4-6381